-ic -th b-u bbb bbc bbe bbh bbi bbo bbt bbu bcb bcc bce bch bci bco bct bcu be- beb bec bee beh bei beo bet beu bhb bhc bhe bhh bhi bho bht bhu bi- bib bic bie bih bii bio bit biu bob boc boe boh boi boo bot bou btb btc bte bth bti bto btt btu bub buc bue buh bui buo but buu c-- cbb cbc cbe cbh cbi cbo cbt cbu ccb ccc cce cch cci cco cct ccu ce- ceb cec cee ceh cei ceo cet ceu ch- chb chc che chh chi cho cht chu ci- cib cic cie cih cii cio cit ciu co- cob coc coe coh coi coo cot cou ctb ctc cte cth cti cto ctt ctu cub cuc cue cuh cui cuo cut cuu ebb ebc ebe ebh ebi ebo ebt ebu ec- ecb ecc ece ech eci eco ect ecu eeb eec eee eeo eet ehb ehc ehe ehh ehi eho eht ehu eib eic eie eii eio eit eiu eo- eob eoc eoe eoh eoi eoo eot eou etb etc ete eth eti eto ett etu eu- eub euc eue eui eut h-i hbb hbc hbe hbh hbi hbo hbt hbu hcb hcc hce hch hci hco hct he- heb hec hee heh hei heo het heu hhb hhc hhe hhh hhi hho hht hhu hib hic hie hih hii hio hit hiu hob hoc hoe hoh hoi hoo hot hou htb htc hte hth hti hto htt hub huc hue huh hui huo hut huu ibb ibc ibe ibh ibi ibo ibt ibu icb icc ice ich ici ico ict icu ie- iec iee iei iet ihb ihc ihe ihh ihi iho iht ihu iib iic iie iih iii iio iit iiu io- iob ioc ioe ioh ioi ioo iot iou itb itc ite ith iti ito itt itu iu- iub iuc iue iui iut o-i ob- obb obc obe obh obi obo obt obu oc- ocb occ och oci oco oct ocu oeb oec oee oeh oei oeo oet ohc ohe ohh ohi oho oht ohu oib oic oie oii oio oit oiu oo- oob ooc ooh ooi ooo oot ot- otb otc ote oth oti oto ott otu ou- ouc oue ouh oui ouo out tbb tbc tbe tbh tbi tbo tbt tbu tcb tcc tce tch tci tco tct tcu te- teb tec tee teh tei teo tet teu th- thb thc the thh thi tho tht thu tib tic tie tih tii tio tit tiu to- tob toc toe toh toi too tot tou ttb ttc tte tth tti tto ttt ttu tub tuc tue tuh tui tuo tut tuu ubb ubc ube ubh ubi ubo ubt ubu ucb ucc uce uch uci uco uct ucu ueb uec uee ueh uei uet uhb uhc uhe uhh uhi uho uht uhu uib uic uie uii uio uit uiu uob uoc uoe uoo uot utb utc ute uth uti uto utt utu uuc uue uut uuu