-ol bbb bbh bbi bbk bbl bbo bhb bhh bhi bhk bhl bho bi- bib bih bii bik bil bio bkb bkk bkl bko blb blh bli blk bll blo bob boh boi bok bol boo h-i hbb hbh hbi hbk hbl hbo hhb hhh hhi hhk hhl hho hib hih hii hik hil hio hkb hkh hki hkk hkl hko hlb hlh hli hll hlo hob hoh hoi hok hol hoo ibb ibh ibi ibk ibl ibo ihb ihh ihi ihk ihl iho iib iih iii iil iio ikb iki ikk ikl iko il- ilb ilh ili ilk ill ilo io- iob ioh ioi iol ioo kbb kbh kbi kbk kbl kbo khh khi khk kho kib kih kii kik kil kio kkb kkh kki kkk kkl kl- klb klh kli klo kob koh koi kok kol koo lbb lbh lbi lbk lbl lbo lhb lhh lhi lhk lho lib lih lii lik lil lio lkb lkh lkl llb lli llk lll llo lob loh loi lok lol loo o-i ob- obb obh obi obk obl obo ohh ohi ohl oho oib oii oik oil oio okb oki okk okl oko olb oli olk oll olo oo- oob ooh ooi ook ool ooo