-ic b-u bbb bbc bbf bbh bbi bbu bcb bcc bcf bch bci bcu bfb bfc bff bfh bfi bfu bhb bhc bhf bhh bhi bhu bi- bib bic bif bih bii biu bub buc buf buh bui buu c-- cbb cbc cbf cbh cbi cbu ccb ccc ccf cch cci ccu cfb cfc cff cfh cfi cfu ch- chb chc chf chh chi chu ci- cib cic cif cih cii ciu cub cuc cuf cuh cui cuu fbb fbc fbf fbh fbi fbu fcb fcc fcf fci fcu ffc fff ffh ffi ffu fhb fhc fhf fhh fhi fib fic fif fih fii fiu fub fuf fui fuu h-i hbb hbc hbf hbh hbi hbu hcb hcc hcf hch hci hfb hfc hff hfh hfi hfu hhb hhc hhf hhh hhi hhu hib hic hif hih hii hiu hub huc huf huh hui huu i-f ibb ibc ibf ibh ibi ibu icb icc icf ich ici icu ifb ifc iff ifi ifu ihb ihc ihf ihh ihi ihu iib iic iif iih iii iiu iu- iub iuc iui ubb ubc ubf ubh ubi ubu ucb ucc ucf uch uci ucu ufc uff ufh ufi ufu uhb uhc uhf uhh uhi uhu uib uic uif uii uiu uuc uuu