-ic -th b-u bbb bbc bbh bbi bbo bbt bbu bcb bcc bch bci bco bct bcu bhb bhc bhh bhi bho bht bhu bi- bib bic bih bii bio bit biu bob boc boh boi boo bot bou btb btc bth bti bto btt btu bub buc buh bui buo but buu c-- cbb cbc cbh cbi cbo cbt cbu ccb ccc cch cci cco cct ccu ch- chb chc chh chi cho cht chu ci- cib cic cih cii cio cit ciu co- cob coc coh coi coo cot cou ctb ctc cth cti cto ctt ctu cub cuc cuh cui cuo cut cuu h-i hbb hbc hbh hbi hbo hbt hbu hcb hcc hch hci hco hct hhb hhc hhh hhi hho hht hhu hib hic hih hii hio hit hiu hob hoc hoh hoi hoo hot hou htb htc hth hti hto htt hub huc huh hui huo hut huu ibb ibc ibh ibi ibo ibt ibu icb icc ich ici ico ict icu ihb ihc ihh ihi iho iht ihu iib iic iih iii iio iit iiu io- iob ioc ioh ioi ioo iot iou itb itc ith iti ito itt itu iu- iub iuc iui iut o-i ob- obb obc obh obi obo obt obu oc- ocb occ och oci oco oct ocu ohc ohh ohi oho oht ohu oib oic oii oio oit oiu oo- oob ooc ooh ooi ooo oot ot- otb otc oth oti oto ott otu ou- ouc ouh oui ouo out tbb tbc tbh tbi tbo tbt tbu tcb tcc tch tci tco tct tcu th- thb thc thh thi tho tht thu tib tic tih tii tio tit tiu to- tob toc toh toi too tot tou ttb ttc tth tti tto ttt ttu tub tuc tuh tui tuo tut tuu ubb ubc ubh ubi ubo ubt ubu ucb ucc uch uci uco uct ucu uhb uhc uhh uhi uho uht uhu uib uic uii uio uit uiu uob uoc uoo uot utb utc uth uti uto utt utu uuc uut uuu