bbb bbh bbi bbk bbo bhb bhh bhi bhk bho bi- bib bih bii bik bio bkb bkk bko bob boh boi bok boo h-i hbb hbh hbi hbk hbo hhb hhh hhi hhk hho hib hih hii hik hio hkb hkh hki hkk hko hob hoh hoi hok hoo ibb ibh ibi ibk ibo ihb ihh ihi ihk iho iib iih iii iio ikb iki ikk iko io- iob ioh ioi ioo kbb kbh kbi kbk kbo khh khi khk kho kib kih kii kik kio kkb kkh kki kkk kob koh koi kok koo o-i ob- obb obh obi obk obo ohh ohi oho oib oii oik oio okb oki okk oko oo- oob ooh ooi ook ooo