TLAs
TLAs
(jargon)egrep '^[A-Z][A-Z][A-Z]$' Dictionary | sort -u
Here they are:
AAC, AAL, AAP, ABC, ABI, ABM, ABP, ABR, ACA,ACE, ACF, ACK, ACL, ACM, ACP, ACT, ADC, ADL,ADM, ADO, ADR, ADS, ADT, AED, AEP, AES, AFJ,AFK, AFP, AFS, AGL, AGP, AIA, AID, AIR, AIT,AIX, AKC, AKL, ALC, ALF, ALM, ALP, ALU, AMD,AMI, AML, AMO, AMP, AMS, AND, ANI, ANL, ANR,ANS, ANU, AOL, AOP, AOS, APA, APC, APE, API,APL, APM, APT, AQL, ARC, ARL, ARM, ARP, ARQ,ART, ASA, ASE, ASF, ASK, ASL, ASM, ASN, ASP,ASR, AST, ATA, ATK, ATM, ATS, ATX, AUI, AUP,AVI, AVS, AWE, AWG, AWT, AYT, BAD, BAL, BAP,BBC, BBL, BBS, BCC, BCD, BCL, BCS, BDC, BDL,BEA, BEG, BEL, BER, BFI, BGA, BGP, BIP, BLT,BMF, BMP, BNC, BNF, BOF, BOS, BPI, BPR, BPS,BQS, BRB, BRH, BRI, BRS, BSA, BSD, BSI, BSL,BSS, BST, BTB, BTS, BTW, BWQ, CAD, CAE, CAF,CAI, CAL, CAM, CAN, CAP, CAS, CAT, CAV, CBD,CBN, CBR, CBT, CBV, CCD, CCL, CCP, CCR, CCS,CDA, CDC, CDE, CDF, CDL, CDM, CDS, CEN, CER,CFD, CFP, CGA, CGI, CGM, CHI, CID, CIF, CIL,CIM, CIR, CIS, CIX, CJK, CLI, CLM, CLP, CLR,CLU, CLV, CLX, CMA, CMC, CML, CMM, CMP, CMS,CMU, CMZ, CNC, CNI, CNN, COM, COS, CPE, CPI,CPL, CPM, CPS, CPU, CRC, CRL, CRM, CRT, CSG,CSL, CSM, CSO, CSP, CSR, CSS, CSU, CSV, CTC,CTI, CTL, CTS, CTY, CUA, CUL, CUT, CVS, CWI,DAA, DAC, DAG, DAS, DAT, DAU, DBA, DBC, DBH,DCA, DCC, DCE, DCG, DCI, DCL, DCP, DCS, DCT,DDB, DDE, DDL, DDM, DDN, DDO, DDP, DDS, DDT,DEA, DEC, DED, DEK, DER, DES, DEX, DFA, DFC,DFD, DFS, DFT, DGL, DIB, DID, DIL, DIM, DIN,DIP, DLC, DLE, DLG, DLL, DLM, DLP, DLT, DMA,DME, DMI, DML, DMM, DMZ, DNF, DNS, DOA, DOE,DOF, DOL, DOM, DOS, DPB, DPL, DPN, DPP, DPS,DRM, DSA, DSE, DSI, DSL, DSM, DSN, DSP, DSR,DSS, DST, DSU, DSW, DTD, DTE, DTP, DTR, DTS,DUA, DVD, DVI, DXF, EAF, EAG, EAI, ECC, ECL,ECM, ECP, EDA, EDF, EDI, EDL, EDM, EDP, EDS,EER, EFF, EFL, EFT, EGA, EGP, EIA, EJB, ELF,ELI, ELP, EMA, EMC, EML, EMM, EMS, EMX, ENQ,ENS, EOF, EOL, EOT, EOU, EPL, EPP, EPS, ERA,ERC, ERD, ERP, ESA, ESC, ESD, ESF, ESI, ESL,ESP, ESR, ETB, ETC, ETM, ETX, EVE, EXE, FAC,FAD, FAP, FAQ, FAT, FCB, FCP, FCS, FDC, FDT,FEA, FEC, FEL, FFP, FFT, FGL, FHS, FIR, FIX,FMQ, FMS, FMV, FNC, FOD, FPA, FPM, FPU, FQL,FRL, FSB, FSF, FSK, FSL, FSM, FSP, FTP, FTX,FUD, FYA, FYI, GAL, GAN, GAP, GAT, GCC, GCL,GCR, GCT, GDB, GDI, GEA, GEI, GEM, GFR, GHC,GIF, GIN, GIP, GIS, GKS, GLB, GLS, GLU, GMD,GMT, GNN, GNU, GOL, GOM, GPF, GPL, GPM, GPS,GPV, GPX, GRE, GRG, GSI, GSL, GSM, GSS, GTL,GUI, GVL, GWM, HAL, HCF, HCI, HCS, HDA, HDC,HDD, HDF, HDL, HDM, HEP, HFC, HID, HLL, HMA,HMP, HOL, HPF, HPL, HPR, HSB, HSC, HSM, HSV,HTH, HVD, IAB, IAD, IAL, IAM, IAP, IAR, IAS,IAW, IBM, ICE, ICI, ICL, ICQ, ICT, ICW, IDD,IDE, IDF, IDL, IEC, IEF, IEN, IFC, IFF, IFP,IFS, IFX, IGC, IGL, IGP, IGS, IGU, IHS, IHV,IIL, IIR, IIS, IIT, ILF, IMD, IML, IMO, IMP,IMR, IMS, IOI, IOS, IOW, IPA, IPC, IPE, IPL,IPS, IPT, IPX, IQL, IRC, IRL, IRM, IRQ, ISA,ISE, ISF, ISL, ISO, ISP, IST, ISV, ITP, ITS,ITU, IVR, IVY, IXC, IXO, JAD, JAZ, JCL, JDK,JES, JIT, JMS, JNI, JPL, JRE, JRL, JRN, JSA,JSP, JTB, JTC, JTS, JVM, KAP, KBS, KCL, KEE,KFX, KIS, KLB, KMS, KNI, KRC, KRL, KRS, KSL,KSR, KTH, LAN, LAP, LAT, LAU, LAX, LBA, LBE,LBL, LBX, LCC, LCD, LCF, LCL, LCP, LCS, LDB,LDL, LDP, LDT, LEC, LED, LEO, LER, LGN, LIF,LIS, LLC, LLP, LML, LNF, LOC, LOL, LOM, LOP,LPC, LPF, LPG, LPI, LPL, LPS, LPT, LRC, LRU,LSA, LSB, LSE, LSL, LSP, LSR, LTL, LTR, LUG,LUN, LVD, LWP, MAC, MAD, MAL, MAN, MAO, MAP,MAS, MAU, MBS, MCA, MCC, MCI, MCL, MCP, MCS,MDF, MDI, MDL, MFC, MFE, MFM, MHS, MIB, MIF,MIG, MII, MIS, MIT, MIX, MJS, MLL, MMI, MML,MMU, MMX, MNP, MOO, MOS, MPC, MPG, MPI, MPL,MPP, MPV, MPX, MQG, MRI, MRP, MRS, MSB, MSM,MSN, MSS, MSX, MTA, MTS, MTU, MUA, MUD, MUP,MVC, MVS, MXI, NAG, NAK, NAS, NAT, NAU, NBS,NBT, NCD, NCP, NCS, NDL, NDS, NEC, NFA, NFS,NFT, NGL, NIC, NIH, NII, NIL, NIS, NLM, NLP,NLS, NLX, NMI, NMU, NNI, NOC, NOL, NOR, NOS,NOT, NPC, NPL, NQS, NRZ, NSE, NSF, NSI, NSS,NTP, NTU, NVS, OAP, OBE, OBJ, OCL, OCP, OCR,OCS, OCX, ODA, ODC, ODI, ODP, ODT, OEM, OIC,OID, OIL, OLC, OLE, OMA, OMF, OMG, OMR, OMS,OMT, ONC, OOA, OOD, OOF, OOP, OPC, OPS, ORB,ORM, OSA, OSD, OSE, OSF, OSI, OSP, OTI, OTP,OTT, OWL, PAD, PAL, PAM, PAP, PAT, PAW, PBD,PBM, PBX, PCA, PCB, PCF, PCI, PCL, PCM, PCN,PCS, PCU, PDA, PDC, PDF, PDH, PDL, PDM, PDP,PDS, PDU, PEM, PER, PEX, PFE, PFL, PFP, PGA,PGP, PIC, PID, PIE, PIL, PIM, PIN, PIP, PIT,PKE, PKI, PLC, PLD, PLL, PMC, PML, PNG, PNP,POC, POE, POM, POP, POS, PPC, PPD, PPL, PPM,PPN, PPP, PQS, PRA, PRI, PRL, PSA, PSD, PSF,PSI, PSK, PSL, PSN, PSO, PTF, PTI, PTN, PTT,PUB, PVC, PVM, QAM, QBE, QCA, QIC, QMW, QNX,QPE, RAD, RAL, RAM, RAS, RCC, RCL, RCS, RDF,RDI, RDL, RDS, REC, REM, REP, REX, RFC, RFE,RFI, RFP, RFT, RGB, RIP, RJE, RKM, RLE, RLF,RLL, RMI, RMS, RNF, ROM, RPC, RPG, RPI, RPL,RPM, RPN, RPT, RRL, RRS, RSA, RSI, RSL, RSN,RSS, RTF, RTI, RTL, RTM, RTP, RTS, RTT, RWP,SAA, SAC, SAD, SAL, SAM, SAN, SAP, SAR, SAS,SBD, SBM, SBR, SCA, SCC, SCI, SCL, SCM, SCO,SDE, SDF, SDH, SDI, SDK, SDL, SDM, SDP, SDS,SEA, SEC, SED, SEE, SEI, SEL, SEM, SEP, SET,SEX, SFA, SFL, SGI, SHA, SIA, SIG, SIL, SIP,SIR, SKU, SMB, SMG, SMI, SML, SMM, SMP, SMS,SMT, SNA, SNI, SNR, SOH, SOJ, SOL, SOM, SOS,SPC, SPD, SPE, SPG, SPI, SPL, SPM, SPS, SPX,SQE, SQL, SQR, SRI, SRL, SRP, SSA, SSE, SSI,SSL, SSR, STB, STD, STP, STX, SUB, SVC, SVG,SVS, SYN, TAA, TAB, TAC, TAL, TAO, TAP, TBF,TBK, TCB, TCM, TCO, TCP, TDD, TDF, TDI, TDM,TDR, TEI, TET, TFT, TGA, TIA, TIP, TLA, TLB,TLD, TLI, TLS, TMG, TNC, TNX, TOK, TOP, TOS,TPA, TPF, TPL, TPO, TPS, TPU, TPX, TRO, TRS,TSO, TSP, TSR, TSV, TTD, TTL, TTS, TUB, TUI,TXL, UAN, UAW, UBD, UCB, UCS, UCX, UDF, UDP,UFO, UIL, UIS, UKC, ULP, UMB, UML, UNC, UNI,UPS, URC, URI, URL, URN, USB, USE, USL, USP,USR, UTC, UTF, UTP, VAL, VAN, VAR, VAX, VBA,VCL, VCR, VDL, VDM, VDT, VDU, VEE, VEL, VGA,VGX, VHE, VHS, VIF, VIM, VLB, VLM, VME, VML,VMS, VOS, VPL, VPN, VQF, VRC, VSE, VSF, VSP,VSX, VTC, VTS, VTW, VUE, VUP, VXI, WAM, WAN,WAP, WBS, WCL, WDM, WEB, WFL, WFW, WGL, WMA,WMV, WOM, WPG, WPI, WRT, WSL, WTF, WTH, WWW,XDL, XDR, XGA, XIE, XML, XMM, XMS, XNF, XNS,XON, XPC, XPG, XPL, XRN, XSB, XSI, XSL, XTI,XTP, XUI, XUL, XVT, XXX, YSM, ZAP, ZFC, ZIF,ZIL, ZOG, ZUG