-ic b-u bbb bbc bbh bbi bbl bbu bcb bcc bch bci bcl bcu bhb bhc bhh bhi bhl bhu bi- bib bic bih bii bil biu blb blc blh bli bll blu bub buc buh bui bul buu c-- cbb cbc cbh cbi cbl cbu ccb ccc cch cci ccl ccu ch- chb chc chh chi chl chu ci- cib cic cih cii cil ciu cl- clb clc clh cli cll clu cub cuc cuh cui cul cuu h-i hbb hbc hbh hbi hbl hbu hcb hcc hch hci hcl hhb hhc hhh hhi hhl hhu hib hic hih hii hil hiu hlb hlc hlh hli hll hlu hub huc huh hui hul huu ibb ibc ibh ibi ibl ibu icb icc ich ici icl icu ihb ihc ihh ihi ihl ihu iib iic iih iii iil iiu il- ilb ilc ilh ili ill ilu iu- iub iuc iui lbb lbc lbh lbi lbl lbu lcb lcc lch lci lcl lcu lhb lhc lhh lhi lhu lib lic lih lii lil liu llb llc lli lll llu lub luc luh lui lul luu ubb ubc ubh ubi ubl ubu ucb ucc uch uci ucl ucu uhb uhc uhh uhi uhl uhu uib uic uii uil uiu ulb ulc uli ull ulu uuc uuu