-er b-u bbb bbc bbe bbl bbn bbr bbt bbu bcb bcc bce bcl bcn bcr bct bcu be- beb bec bee bel ben ber bet beu blb blc ble bll bln blr blt blu bnb bnc bne bnl bnn bnr bnt bnu brb bre brl brn brr brt bru btb btc bte btl btn btr btt btu bub buc bue bul bun bur but buu c-- cbb cbc cbe cbl cbn cbr cbt cbu ccb ccc cce ccl ccn ccr cct ccu ce- ceb cec cee cel cen cer cet ceu cl- clb clc cle cll cln clr clt clu cn- cnb cnc cne cnl cnn cnr cnt cnu crb crc cre crl crn crr crt cru ctb ctc cte ctl ctn ctr ctt ctu cub cuc cue cul cun cur cut cuu ebb ebc ebe ebl ebn ebr ebt ebu ec- ecb ecc ece ecl ecn ecr ect ecu eeb eec eee eel een eer eet elb elc ele ell eln elr elt elu en- enb enc ene enl enn enr ent enu erb erc ere erl ern err ert eru etb etc ete etl etn etr ett etu eu- eub euc eue eul eun eur eut lbb lbc lbe lbl lbr lbt lbu lcb lcc lce lcl lcn lcr lct lcu leb lec lee lel len ler let leu llb llc lle lll lln llr llt llu lnb lnc lne lnl lnn lnr lnt lnu lrb lrc lrn lrr lrt lru ltb ltc lte ltl ltr ltt ltu lub luc lue lul lun lur lut luu nbb nbc nbe nbl nbn nbr nbt nbu ncb ncc nce ncl ncn ncr nct ncu ne- neb nec nee nel nen ner net neu nlb nlc nle nll nln nlr nlt nlu nnb nnc nne nnl nnn nnt nnu nrb nrc nre nrl nrn nrr nrt nru ntb ntc nte ntn ntr ntt ntu nub nuc nue nul nun nur nut nuu rbb rbc rbe rbl rbn rbr rbt rbu rcb rcc rce rcl rcn rcr rct rcu re- reb rec ree rel ren rer ret reu rlc rle rll rln rlr rlt rlu rnb rnc rnn rnr rnt rnu rrb rrc rrl rrn rrr rrt rru rtb rtc rte rtl rtn rtr rtt rtu rub ruc rue run rur rut ruu tbb tbc tbe tbl tbn tbr tbt tbu tcb tcc tce tcl tcn tcr tct tcu te- teb tec tee tel ten ter tet teu tlc tle tll tln tlr tlt tlu tnb tnc tne tnl tnn tnr tnt trb trc tre trl trn trr trt tru ttb ttc tte ttl ttn ttr ttt ttu tub tuc tue tul tun tur tut tuu ubb ubc ube ubl ubn ubr ubt ubu ucb ucc uce ucl ucn ucr uct ucu ueb uec uee uel uen uer uet ulb ulc ule ull uln ulr ult ulu un- unb unc une unl unn unr unt unu ur- urb urc ure url urn urr urt uru utb utc ute utl utn utr utt utu uuc uue uun uur uut uuu

-ene bbbb bbeb bbet bblb bbrc bcbc bccc bccl bcec bcer bcet bcnu bcru bctc bcuc bebb bebe becu beeb beel been beer beet bele bell belt belu bene benn bent benu berc bere bern berr bert beru betc bete bett betu beur blbt blcu bleb blee blet bleu blrc blub blue blur blut bner bnet bnrr brcb brce breb brec bree brel bren brer bret brrr brtc bruc brue brun brut btcc btcl btec bten btrc btrt bttb bubb bube bubu bucc buce bucu buel buen buer bueu bulb bule bull bult bulu bunb bune bunn bunt bunu bur- burb bure burl burn burr burt buru but- bute butt cbbc cbcc cbce cbcl cbcn cbcr cbct cbcu cbec cbee cber cbet cblb cblc cbln cbre cbrl cbrn cbrt cbtc cbtl ccbc ccbn cccb cccc cccl cccu ccee ccel cclc ccnb ccnc ccne ccnr ccnu ccrc ccre ccrl ccrt cctb cctc cctl cctt ccuc ccut cebu cec- cece cect ceeb ceec ceel cel- celc cele cell celt cen- cene cent cer- cerc cere cerl cern cert cet- cete clec clee cler clet cleu cltb cltc club clue clun clut cnbc cnbl cnel cnet cnrc cnrr cnrt cntc cntr cnut crbc crbu crcc crce crcr cre- creb crec cree cren cret creu crne crrt crtc crtl crub crue crun crut ctec cten ctle ctne ctrc ctrl ctrn cttn cub- cubb cube cucc cuce cucn cuer culb culc cule cull cult cune cunt curb cure curl curn curr curt cut- cutc cute cutt e-cl ebbc ebbr ebcc ebel eben eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecct eclt ecne ecrc ecrl ecrr ecru ect- ectc eeee eele eent eerc eetc eete eetu el-b elbe elbu elcb elce elec elee elen eler elet elle ellu elne elte elue elul enb- enbn enbr ence encl enee enel ener ennc enne ennu ent- ente entr enue enur enut erbb erbe ercc erce ereb erec erel eren erer eret erle erll erne errc erre ertl ertu erub eruc erur etbc etbr etcc etec etee etel eten eter etne etnr etre ette ettn ettu etun eubc euer eule eur- eurc eure eurt lbcc lblr lbrt lcbc lccc lcce lcer lcrl lctl le-u lebu lece lect leel leen leer leet lele lell lelu lene lenn lent lerc lere lern lert lete lett leuc leun leur llcc llet lleu lllc llll lncr lner lntc lrne lrrc lrrr ltbl ltcc ltee ltnt lttc lttr ltuc lube luce luer lule lull lulu lune lunn lunt lure lurt lute nbbc nbcc nber ncbc nccc nccn nccr ncct nccu ncec ncee ncel ncen ncer nclc ncln nclr ncnc ncrc ncre nctc ncte nctr ncue nebb nebe nebn nebr nebu necc nece necr nect neeb neel neen neer neet nelc nele nell nelt nene nent nenu nerc nere nerl nerr nert neru net- netb nete nett neuc neue neun neur neut neuu nlcc nlec nler nlrb nnnn nntn nren nrlb nrrc nrrl nrtl