diaphone /dīˈə-fōn/

1. A siren-like fog signal
2. A bass reed-organ stop made louder by vibrating material
3. All the variants of a phoneme

• bier
• bierkeller
• bierkellers
• bier right
• biers
• biestings
• bifacial
• bifarious
• bifariously
• biff
• biffed
• biffin
• biffing
• biffins
• biffs
• bifid
• bifilar
• bifocal
• bifocals
• bifold
• bifoliate
• bifoliolate
• biform
• biftah
• biftahs