bbbb bbdd bbdo bboy bbyo bdii bibb bibi bibo bidi bido bio- bioi bipp bobb bobi bobo boby bodb bodi bodo body boi- boid boii boob bood boop bopp boyd boyi boyo byob byod byoi byop byyd d-bo dboy dbpd dddd ddpo dibb dibo dibp diby didi dido didy diii diop dipo dipp diyi dobb dobi doby dod- dodd dodi dodo dody doid doob dood doop dopo dopp dopy doyo dpyd dydd dyio dyo- dyoo i-by ibdo ibid ibyi iddo idid idio iiii iiio iioi iioo iiop iobi ioby iod- iodd iodo ioii ioio iooi iooo ipdi ipid ipod ipop ippo ippy obbo obby obid oboi oboy odbo oddd oddi oddy odio odoo odop oido oiii oobi ooby oodi ooid oooo opii opio opo- oppi oppo oppy pibb pibi pido piip piob pipi pipo pipp pipy piyo pobo pod- podd podi podo pody poid poio pood poop pop- popi popo popp popy poyo ppib ppid ppod pppd pppo pppp pyo- pypy yidi yobi yobo yodo yood yoop yopo yopy yoyo yyyy