-ic b-u bbb bbc bbi bbk bbt bbu bcb bcc bci bck bct bcu bi- bib bic bii bik bit biu bkb bkc bkk bkt btb btc bti btk btt btu bub buc bui buk but buu c-- cbb cbc cbi cbk cbt cbu ccb ccc cci cck cct ccu ci- cib cic cii cik cit ciu ckb ckc cki ckt ctb ctc cti ctk ctt ctu cub cuc cui cuk cut cuu ibb ibc ibi ibk ibt ibu icb icc ici ick ict icu iib iic iii iit iiu ikb ikc iki ikk ikt iku itb itc iti itk itt itu iu- iub iuc iui iut k-t kbb kbc kbi kbk kbu kcb kcc kci kck kct kcu kib kic kii kik kit kiu kkb kkc kki kkk kkt kku ktb ktc ktk ktt ktu kub kuc kui kuk kut kuu tbb tbc tbi tbk tbt tbu tcb tcc tci tck tct tcu tib tic tii tik tit tiu tkb tkc tkk tkt ttb ttc tti ttk ttt ttu tub tuc tui tuk tut tuu ubb ubc ubi ubk ubt ubu ucb ucc uci uck uct ucu uib uic uii uit uiu ukb ukc uki ukk uku utb utc uti utk utt utu uuc uut uuu