-ic b-u bbb bbc bbe bbi bbl bbn bbt bbu bcb bcc bce bci bcl bcn bct bcu be- beb bec bee bei bel ben bet beu bi- bib bic bie bii bil bin bit biu blb blc ble bli bll bln blt blu bnb bnc bne bni bnl bnn bnt bnu btb btc bte bti btl btn btt btu bub buc bue bui bul bun but buu c-- cbb cbc cbe cbi cbl cbn cbt cbu ccb ccc cce cci ccl ccn cct ccu ce- ceb cec cee cei cel cen cet ceu ci- cib cic cie cii cil cin cit ciu cl- clb clc cle cli cll cln clt clu cn- cnb cnc cne cni cnl cnn cnt cnu ctb ctc cte cti ctl ctn ctt ctu cub cuc cue cui cul cun cut cuu ebb ebc ebe ebi ebl ebn ebt ebu ec- ecb ecc ece eci ecl ecn ect ecu eeb eec eee eel een eet eib eic eie eii eil ein eit eiu elb elc ele eli ell eln elt elu en- enb enc ene eni enl enn ent enu etb etc ete eti etl etn ett etu eu- eub euc eue eui eul eun eut ibb ibc ibe ibi ibl ibn ibt ibu icb icc ice ici icl icn ict icu ie- iec iee iei iel ien iet iib iic iie iii iil iin iit iiu il- ilb ilc ile ili ill iln ilt ilu in- inb inc ine ini inl inn int inu itb itc ite iti itl itn itt itu iu- iub iuc iue iui iut lbb lbc lbe lbi lbl lbt lbu lcb lcc lce lci lcl lcn lct lcu leb lec lee lei lel len let leu lib lic lie lii lil lin lit liu llb llc lle lli lll lln llt llu lnb lnc lne lni lnl lnn lnt lnu ltb ltc lte lti ltl ltt ltu lub luc lue lui lul lun lut luu n-i nbb nbc nbe nbi nbl nbn nbt nbu ncb ncc nce nci ncl ncn nct ncu ne- neb nec nee nei nel nen net neu nib nic nie nii nil nin nit niu nlb nlc nle nli nll nln nlt nlu nnb nnc nne nni nnl nnn nnt nnu ntb ntc nte nti ntn ntt ntu nub nuc nue nui nul nun nut nuu tbb tbc tbe tbi tbl tbn tbt tbu tcb tcc tce tci tcl tcn tct tcu te- teb tec tee tei tel ten tet teu tib tic tie tii til tin tit tiu tlc tle tli tll tln tlt tlu tnb tnc tne tni tnl tnn tnt ttb ttc tte tti ttl ttn ttt ttu tub tuc tue tui tul tun tut tuu ubb ubc ube ubi ubl ubn ubt ubu ucb ucc uce uci ucl ucn uct ucu ueb uec uee uei uel uen uet uib uic uie uii uil uin uit uiu ulb ulc ule uli ull uln ult ulu un- unb unc une uni unl unn unt unu utb utc ute uti utl utn utt utu uuc uue uun uut uuu