-ic b-u bbb bbc bbh bbi bbo bbu bcb bcc bch bci bco bcu bhb bhc bhh bhi bho bhu bi- bib bic bih bii bio biu bob boc boh boi boo bou bub buc buh bui buo buu c-- cbb cbc cbh cbi cbo cbu ccb ccc cch cci cco ccu ch- chb chc chh chi cho chu ci- cib cic cih cii cio ciu co- cob coc coh coi coo cou cub cuc cuh cui cuo cuu h-i hbb hbc hbh hbi hbo hbu hcb hcc hch hci hco hhb hhc hhh hhi hho hhu hib hic hih hii hio hiu hob hoc hoh hoi hoo hou hub huc huh hui huo huu ibb ibc ibh ibi ibo ibu icb icc ich ici ico icu ihb ihc ihh ihi iho ihu iib iic iih iii iio iiu io- iob ioc ioh ioi ioo iou iu- iub iuc iui o-i ob- obb obc obh obi obo obu oc- ocb occ och oci oco ocu ohc ohh ohi oho ohu oib oic oii oio oiu oo- oob ooc ooh ooi ooo ou- ouc ouh oui ouo ubb ubc ubh ubi ubo ubu ucb ucc uch uci uco ucu uhb uhc uhh uhi uho uhu uib uic uii uio uiu uob uoc uoo uuc uuu