bbb bbh bbi bbk bbo bbs bhb bhh bhi bhk bho bhs bi- bib bih bii bik bio bis bkb bkk bko bks bob boh boi bok boo bos bsb bsh bsi bsk bso bss h-i hbb hbh hbi hbk hbo hbs hhb hhh hhi hhk hho hhs hib hih hii hik hio his hkb hkh hki hkk hko hks hob hoh hoi hok hoo hos hsb hsh hsi hsk hss ibb ibh ibi ibk ibo ibs ihb ihh ihi ihk iho ihs iib iih iii iio iis ikb iki ikk iko iks io- iob ioh ioi ioo ios is- isb ish isi isk iso iss kbb kbh kbi kbk kbo kbs khh khi khk kho khs kib kih kii kik kio kis kkb kkh kki kkk kks kob koh koi kok koo kos ksb ksh ksi ksk kso kss o-i ob- obb obh obi obk obo obs ohh ohi oho ohs oib oii oik oio ois okb oki okk oko oks oo- oob ooh ooi ook ooo oos os- osb osh osi osk oso oss sbb sbh sbi sbk sbo sbs sh- shb shh shi shk sho shs sib sih sii sik sio sis sk- skb skh ski skk sko sks sob soh soi sok soo sos ss- ssb ssh ssi ssk sso sss