Or search: siberia, tunguska
1 Syllable: S
Ah, AW, awe, Bah, Bois, bra, cha, claw, draw, flaw, Fra, gnaw, ha, hah, haw, jaw, la, law, maw, moi, Pa, paw, pla, qua, raw, saw, sha, Shah, Shaw, Spa, squaw, straw, tha, thaw, trois, ya
2 Syllables: SU
bourgeois, Dumas, inlaw, Pasha
2 Syllables: US
Aha, Dubois, eclat, foresaw, Francois, Hurrah, McGraw, withdraw
3 Syllables: UUS
overawe

Found 49 words across 4 groupings.