-ic -th b-u bbb bbc bbe bbh bbi bbl bbt bbu bcb bcc bce bch bci bcl bct bcu be- beb bec bee beh bei bel bet beu bhb bhc bhe bhh bhi bhl bht bhu bi- bib bic bie bih bii bil bit biu blb blc ble blh bli bll blt blu btb btc bte bth bti btl btt btu bub buc bue buh bui bul but buu c-- cbb cbc cbe cbh cbi cbl cbt cbu ccb ccc cce cch cci ccl cct ccu ce- ceb cec cee ceh cei cel cet ceu ch- chb chc che chh chi chl cht chu ci- cib cic cie cih cii cil cit ciu cl- clb clc cle clh cli cll clt clu ctb ctc cte cth cti ctl ctt ctu cub cuc cue cuh cui cul cut cuu ebb ebc ebe ebh ebi ebl ebt ebu ec- ecb ecc ece ech eci ecl ect ecu eeb eec eee eel eet ehb ehc ehe ehh ehi ehl eht ehu eib eic eie eii eil eit eiu elb elc ele elh eli ell elt elu etb etc ete eth eti etl ett etu eu- eub euc eue eui eul eut h-i hbb hbc hbe hbh hbi hbl hbt hbu hcb hcc hce hch hci hcl hct he- heb hec hee heh hei hel het heu hhb hhc hhe hhh hhi hhl hht hhu hib hic hie hih hii hil hit hiu hlb hlc hle hlh hli hll hlt hlu htb htc hte hth hti htl htt hub huc hue huh hui hul hut huu ibb ibc ibe ibh ibi ibl ibt ibu icb icc ice ich ici icl ict icu ie- iec iee iei iel iet ihb ihc ihe ihh ihi ihl iht ihu iib iic iie iih iii iil iit iiu il- ilb ilc ile ilh ili ill ilt ilu itb itc ite ith iti itl itt itu iu- iub iuc iue iui iut lbb lbc lbe lbh lbi lbl lbt lbu lcb lcc lce lch lci lcl lct lcu leb lec lee leh lei lel let leu lhb lhc lhh lhi lht lhu lib lic lie lih lii lil lit liu llb llc lle lli lll llt llu ltb ltc lte lth lti ltl ltt ltu lub luc lue luh lui lul lut luu tbb tbc tbe tbh tbi tbl tbt tbu tcb tcc tce tch tci tcl tct tcu te- teb tec tee teh tei tel tet teu th- thb thc the thh thi thl tht thu tib tic tie tih tii til tit tiu tlc tle tlh tli tll tlt tlu ttb ttc tte tth tti ttl ttt ttu tub tuc tue tuh tui tul tut tuu ubb ubc ube ubh ubi ubl ubt ubu ucb ucc uce uch uci ucl uct ucu ueb uec uee ueh uei uel uet uhb uhc uhe uhh uhi uhl uht uhu uib uic uie uii uil uit uiu ulb ulc ule uli ull ult ulu utb utc ute uth uti utl utt utu uuc uue uut uuu