-ic b-u bbb bbc bbe bbf bbg bbi bbk bbl bbu bcb bcc bce bcf bcg bci bck bcl bcu be- beb bec bee bef beg bei bek bel beu bfb bfc bfe bff bfg bfi bfl bfu bgb bgc bge bgf bgg bgi bgk bgl bgu bi- bib bic bie bif big bii bik bil biu bkb bkc bke bkf bkg bkk bkl blb blc ble blf blg bli blk bll blu bub buc bue buf bug bui buk bul buu c-- cbb cbc cbe cbf cbg cbi cbk cbl cbu ccb ccc cce ccf ccg cci cck ccl ccu ce- ceb cec cee cef ceg cei cek cel ceu cfb cfc cfe cff cfg cfi cfk cfl cfu cgb cgc cge cgg cgi cgl cgu ci- cib cic cie cif cig cii cik cil ciu ckb ckc cki cl- clb clc cle clf clg cli clk cll clu cub cuc cue cuf cug cui cuk cul cuu ebb ebc ebe ebf ebg ebi ebk ebl ebu ec- ecb ecc ece ecf ecg eci eck ecl ecu eeb eec eee eef eeg eek eel ef- efb efc efe eff efg efi efl egb egc ege egf egg egi egl egu eib eic eie eif eig eii eik eil eiu ekb ekc eke ekf ekg eki ekl eku elb elc ele elf elg eli elk ell elu eu- eub euc eue euf eug eui eul fbb fbc fbe fbf fbg fbi fbk fbl fbu fcb fcc fce fcf fcg fci fck fcl fcu feb fec fee fef feg fei fek fel feu ffc ffe fff ffg ffi ffk ffl ffu fgb fgc fge fgf fgg fgi fgl fib fic fie fif fig fii fik fil fiu fkb fkc fkf fkg fki fkk fkl flb flc fle flf flg fli fll flu fub fue fuf fug fui fuk ful fuu gbc gbe gbf gbg gbi gbk gbl gbu gcb gcc gce gcf gcg gci gck gcl gcu ge- geb gec gee gef geg gei gek gel geu gfb gfc gfe gff gfi gfk gfl ggb ggc ggg ggi ggu gib gic gie gif gig gii gik gil giu gkb glb glc gle glf glg gli glk gll glu gu- gub guc gue guf gug gui guk gul guu i-f ibb ibc ibe ibf ibg ibi ibk ibl ibu icb icc ice icf icg ici ick icl icu ie- iec iee ief ieg iei iek iel ifb ifc ife iff ifg ifi ifl ifu igb igc ige igf igg igi igk igl igu iib iic iie iif iii iil iiu ikb ikc ike ikf iki ikk ikl iku il- ilb ilc ile ilf ilg ili ilk ill ilu iu- iub iuc iue iug iui kbb kbc kbe kbf kbi kbk kbl kbu kcb kcc kce kcg kci kck kcl kcu ke- keb kec kee kef keg kei kek kel kfc kff kfg kfi kfu kgb kgc kgf kgi kgl kgu kib kic kie kif kig kii kik kil kiu kkb kkc kke kki kkk kkl kku kl- klb klc klf klg kli klu kub kuc kue kug kui kuk kul kuu lbb lbc lbe lbf lbg lbi lbk lbl lbu lcb lcc lce lcf lcg lci lck lcl lcu leb lec lee lef leg lei lek lel leu lfb lfc lfe lff lfg lfi lfk lfl lfu lgb lgc lge lgf lgg lgi lgk lgl lgu lib lic lie lif lig lii lik lil liu lkb lkg lkl llb llc lle llf llg lli llk lll llu lub luc lue luf lug lui luk lul luu ubb ubc ube ubf ubg ubi ubk ubl ubu ucb ucc uce ucf ucg uci uck ucl ucu ueb uec uee uef ueg uei uel ufc ufe uff ufg ufi ufl ufu ugb ugc uge ugf ugg ugi ugk ugl ugu uib uic uie uif uig uii uil uiu ukb ukc uke ukf uki ukk ukl uku ulb ulc ule ulf ulg uli ulk ull ulu uuc uue uug uuu

bbbb bbci bbeb bbfc bblb bcbc bcbg bccc bcci bccl bcec bcfc bcie bcuc bebb bebe bebi beci beck becu beeb beef beeg beek beel befe beff begg begi begu beic beik beil beke beki bele belg beli belk bell belu beuk bffl bfgf bgfc bibb bibe bibi bibl bicc bice bicg bici bick bieb bief biel bieu biff bifi bigb bigc bige bigg bigu bike biku bile bili bilk bill bilu blcu bleb blee bleg blei blek bleu blfc blic blik blkb blub blue bluf bubb bube bubi bubu bucc buce buci buck bucu buel bueu bufc bufe buff buge bugg bugi buic buie buif buik buiu buke buki bukk buku bulb bule bulg buli bulk bull bulu cbbc cbcc cbce cbcl cbcu cbec cbee cbef cbfb cbfc cbgb cbkg cbkl cblb cblc ccbc cccb cccc cccf ccci cccl cccu ccee ccel ccfc ccff ccfi ccfl ccgc ccic ccii ccil cclc cclg ccli ccuc cebu cec- cece ceci ceeb ceec ceel cef- cefc cege ceil ceke cel- celc cele celf celi cell ceui cfbc cfcb cfcf cfcl cffb cgcc cgcg cgel cgfc cibc cibe cibi cicc cici cicu ciee ciel cife ciff cifg cifl cigi cigu ciii cili cilk cill ciuc ckbc ckbe ckbi ckck ckcl ckfi ckgl cklf cklg clec clee clef cleg clei clek cleu clib clic clif clig clii clik clkg club clue cub- cubb cube cubi cucc cuce cuci cuck cuek cufc cuff cufi cui- cuif cuil cuk- cuke culb culc cule culk cull e-cl ebbc ebcc ebel ebfc ebic ebli ebul ecbc ecbe eccb eccc ecce ecci eccl ecef ecfc ecib ecig ecil eeee eefe eefl eeke eele ef-g effi efic efik efil efke egbe egbu egcc egcg egec egee egel eggb egge eggi egil eglc egle egli eglu eick eiec eiei eige eigg eike eiki eile ekeb ekek ekfc ekki el-b elbe elbi elbu elcb elce elec elee elef elek elfc elfe elfi elgg elic elie elif elik elil elke elki elle elli ellu elue elui elul eubc eubi