-er -ic b-u bbb bbc bbe bbg bbi bbk bbl bbr bbu bcb bcc bce bcg bci bck bcl bcr bcu bcz be- beb bec bee beg bei bek bel ber beu bez bgb bgc bge bgg bgi bgk bgl bgr bgu bgz bi- bib bic bie big bii bik bil bir biu biz bkb bkc bke bkg bkk bkl bkr blb blc ble blg bli blk bll blr blu blz brb bre brg bri brk brl brr bru brz bub buc bue bug bui buk bul bur buu buz bze bzr bzu bzz c-- cbb cbc cbe cbg cbi cbk cbl cbr cbu cbz ccb ccc cce ccg cci cck ccl ccr ccu ccz ce- ceb cec cee ceg cei cek cel cer ceu cez cgb cgc cge cgg cgi cgl cgr cgu ci- cib cic cie cig cii cik cil cir ciu ckb ckc cki cl- clb clc cle clg cli clk cll clr clu clz crb crc cre crg cri crk crl crr cru crz cub cuc cue cug cui cuk cul cur cuu cuz cz- czc cze czk ebb ebc ebe ebg ebi ebk ebl ebr ebu ec- ecb ecc ece ecg eci eck ecl ecr ecu eeb eec eee eeg eek eel eer egb egc ege egg egi egl egr egu eib eic eie eig eii eik eil eir eiu ekb ekc eke ekg eki ekl ekr eku elb elc ele elg eli elk ell elr elu elz erb erc ere erg eri erk erl err eru erz eu- eub euc eue eug eui eul eur eze ezr ezz gbc gbe gbg gbi gbk gbl gbr gbu gbz gcb gcc gce gcg gci gck gcl gcr gcu ge- geb gec gee geg gei gek gel ger geu gez ggb ggc ggg ggi ggr ggu ggz gib gic gie gig gii gik gil gir giu giz gkb glb glc gle glg gli glk gll glr glu glz grb grc gre grg gri grk grl grr gru gu- gub guc gue gug gui guk gul gur guu guz gzr gzu ibb ibc ibe ibg ibi ibk ibl ibr ibu ibz icb icc ice icg ici ick icl icr icu icz ie- iec iee ieg iei iek iel ier igb igc ige igg igi igk igl igr igu iib iic iie iii iil iir iiu ikb ikc ike iki ikk ikl ikr iku il- ilb ilc ile ilg ili ilk ill ilr ilu ilz ir- irb irc ire irg iri irk irl irr iru iu- iub iuc iue iug iui iur iuz ize izi izu izz k-z kbb kbc kbe kbi kbk kbl kbr kbu kbz kcb kcc kce kcg kci kck kcl kcr kcu ke- keb kec kee keg kei kek kel ker kez kgb kgc kgi kgl kgu kib kic kie kig kii kik kil kir kiu kiz kkb kkc kke kki kkk kkl kkr kku kl- klb klc klg kli klr klu klz krc krg kri krk krl krr kru kub kuc kue kug kui kuk kul kur kuu lbb lbc lbe lbg lbi lbk lbl lbr lbu lcb lcc lce lcg lci lck lcl lcr lcu leb lec lee leg lei lek lel ler leu lez lgb lgc lge lgg lgi lgk lgl lgr lgu lib lic lie lig lii lik lil lir liu liz lkb lkg lkl lkr llb llc lle llg lli llk lll llr llu llz lrb lrc lrg lri lrk lrr lru lrz lub luc lue lug lui luk lul lur luu luz lzi lzr lzu rbb rbc rbe rbg rbi rbk rbl rbr rbu rcb rcc rce rcg rci rcl rcr rcu re- reb rec ree reg rei rek rel rer reu rez rgb rgc rge rgg rgi rgk rgr rib ric rie rig rii rik ril rir riz rkb rkc rke rkg rkk rku rkz rlc rle rlg rli rll rlr rlu rrb rrc rrg rri rrk rrl rrr rru rub ruc rue rug rui ruk rur ruu ruz rzb rze ubb ubc ube ubg ubi ubk ubl ubr ubu ucb ucc uce ucg uci uck ucl ucr ucu ueb uec uee ueg uei uel uer ugb ugc uge ugg ugi ugk ugl ugr ugu uib uic uie uig uii uil uir uiu ukb ukc uke uki ukk ukl ukr uku ukz ulb ulc ule ulg uli ulk ull ulr ulu ur- urb urc ure urg uri urk url urr uru urz uuc uue uug uur uuu uzb uzi uzu z-g zbb zbc zbl zbr zce zcl zeb zec zee zek zel zer zez zgb zgg zgi zib zie zig zik zil zir ziz zlr zrl zub zuc zug zui zuk zul zur zuz zzr zzz

bbbb bbci bbeb bblb bbrc bbrg bcbc bcbg bccc bcci bccl bcec bcer bcie bcru bcuc bebb bebe bebi beci beck becu beeb beeg beek beel beer begg begi begu beic beik beil beir beke beki bele belg beli belk bell belu belz berc bere berg beri berk berr beru beuk beur beze bezi bezu bibb bibe bibi bibl bicc bice bicg bici bick bieb biel bier bieu bigb bigc bige bigg bigu bike biku bile bili bilk bill bilu bilz birb bire birg biri birk birl birr biru bize bizu bizz blcu bleb blee bleg blei blek bleu blic blik blir bliz blkb blrc blrg blub blue blur brcb brce breb brec bree breg brei brek brel brer brez bric brie brig brik bril briz brkb brrr bruc brue brug bruz bubb bube bubi bubu bucc buce buci buck bucu bucz buel buer bueu buge bugg bugi buic buie buik buir buiu buke buki bukk buku bulb bule bulg buli bulk bull bulu bulz bur- burb bure burg buri burk burl burr buru burz buuz buze buzi buzz bzer bzie bzrk bzzz cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cbgb cbir cbkg cbkl cbkr cblb cblc cbre cbrl ccbc cccb cccc ccci cccl cccu ccee ccel ccgc ccic ccii ccil ccir cclc cclg ccli ccrc ccre ccrg ccri ccrl