-ic b-u bbb bbc bbh bbi bbk bbo bbu bcb bcc bch bci bck bco bcu bhb bhc bhh bhi bhk bho bhu bi- bib bic bih bii bik bio biu bkb bkc bkk bko bob boc boh boi bok boo bou bub buc buh bui buk buo buu c-- cbb cbc cbh cbi cbk cbo cbu ccb ccc cch cci cck cco ccu ch- chb chc chh chi chk cho chu ci- cib cic cih cii cik cio ciu ckb ckc ckh cki cko co- cob coc coh coi cok coo cou cub cuc cuh cui cuk cuo cuu h-i hbb hbc hbh hbi hbk hbo hbu hcb hcc hch hci hck hco hhb hhc hhh hhi hhk hho hhu hib hic hih hii hik hio hiu hkb hkh hki hkk hko hku hob hoc hoh hoi hok hoo hou hub huc huh hui huk huo huu ibb ibc ibh ibi ibk ibo ibu icb icc ich ici ick ico icu ihb ihc ihh ihi ihk iho ihu iib iic iih iii iio iiu ikb ikc iki ikk iko iku io- iob ioc ioh ioi ioo iou iu- iub iuc iui kbb kbc kbh kbi kbk kbo kbu kcb kcc kch kci kck kcu khh khi khk kho khu kib kic kih kii kik kio kiu kkb kkc kkh kki kkk kku kob koc koh koi kok koo kou kub kuc kuh kui kuk kuu o-i ob- obb obc obh obi obk obo obu oc- ocb occ och oci ock oco ocu ohc ohh ohi oho ohu oib oic oii oik oio oiu okb okc oki okk oko oku oo- oob ooc ooh ooi ook ooo ou- ouc ouh oui ouk ouo ubb ubc ubh ubi ubk ubo ubu ucb ucc uch uci uck uco ucu uhb uhc uhh uhi uho uhu uib uic uii uio uiu ukb ukc uki ukk uku uob uoc uok uoo uuc uuu