-er bbb bbc bbe bbg bbh bbl bbn bbr bbs bcb bcc bce bcg bch bcl bcn bcr bcs be- beb bec bee beg beh bel ben ber bes bgb bgc bge bgg bgh bgl bgn bgr bgs bhb bhc bhe bhg bhh bhl bhr bhs blb blc ble blg blh bll bln blr bls bnb bnc bne bng bnl bnn bnr bns brb bre brg brh brl brn brr brs bsb bsc bse bsg bsh bsl bsn bsr bss c-- cbb cbc cbe cbg cbh cbl cbn cbr cbs ccb ccc cce ccg cch ccl ccn ccr ccs ce- ceb cec cee ceg ceh cel cen cer ces cgb cgc cge cgg cgh cgl cgn cgr cgs ch- chb chc che chg chh chl chn chr chs cl- clb clc cle clg clh cll cln clr cls cn- cnb cnc cne cng cnh cnl cnn cnr cns crb crc cre crg crh crl crn crr crs csb csc cse csg csh csl csn csr css ebb ebc ebe ebg ebh ebl ebn ebr ebs ec- ecb ecc ece ecg ech ecl ecn ecr ecs eeb eec eee eeg eel een eer ees egb egc ege egg egh egl egn egr egs ehb ehc ehe ehg ehh ehl ehn ehr ehs elb elc ele elg elh ell eln elr els en- enb enc ene eng enh enl enn enr ens erb erc ere erg erh erl ern err ers es- esb esc ese esg esh esl esn esr ess gbc gbe gbg gbh gbl gbn gbr gbs gcb gcc gce gcg gch gcl gcn gcr gcs ge- geb gec gee geg geh gel gen ger ges ggb ggc ggg ggh ggn ggr ggs ghb ghc ghe ghg ghh ghl ghn ghr ghs glb glc gle glg glh gll gln glr gls gnb gnc gne gnl gnn gnr gns grb grc gre grg grh grl grn grr grs gsb gsc gse gsg gsl gsn gsr gss hbb hbc hbe hbg hbh hbl hbn hbr hbs hcb hcc hce hcg hch hcl hcn hcr hcs he- heb hec hee heg heh hel hen her hes hgb hgc hge hgg hgh hgl hgn hgr hgs hhb hhc hhe hhg hhh hhl hhn hhr hhs hlb hlc hle hlg hlh hll hln hlr hls hnb hnc hne hng hnh hnl hnn hns hr- hrb hrc hre hrg hrh hrl hrn hrr hrs hsb hsc hse hsg hsh hsl hsn hsr hss lbb lbc lbe lbg lbh lbl lbr lbs lcb lcc lce lcg lch lcl lcn lcr lcs leb lec lee leg leh lel len ler les lgb lgc lge lgg lgh lgl lgn lgr lgs lhb lhc lhh lhr lhs llb llc lle llg lll lln llr lls lnb lnc lne lng lnh lnl lnn lnr lns lrb lrc lrg lrh lrn lrr lrs lsb lsc lse lsg lsh lsl lsn lsr lss nbb nbc nbe nbg nbl nbn nbr nbs ncb ncc nce ncg nch ncl ncn ncr ncs ne- neb nec nee neg neh nel nen ner nes ngb ngc nge ngg ngh ngl ngn ngs nhb nhc nhe nhg nhh nhl nhn nhr nhs nlb nlc nle nlg nlh nll nln nlr nls nnb nnc nne nng nnh nnl nnn nns nrb nrc nre nrg nrl nrn nrr nrs nsb nsc nse nsg nsh nsl nsn nsr nss rbb rbc rbe rbg rbh rbl rbn rbr rbs rcb rcc rce rcg rch rcl rcn rcr rcs re- reb rec ree reg reh rel ren rer res rgb rgc rge rgg rgh rgn rgr rgs rh- rhb rhc rhe rhg rhh rhl rhn rhr rhs rlc rle rlg rlh rll rln rlr rls rnb rnc rng rnh rnn rnr rns rrb rrc rrg rrh rrl rrn rrr rrs rsb rsc rse rsg rsh rsl rsn rsr rss sbb sbc sbe sbg sbh sbl sbn sbr sbs scb scc sce scg sch scl scn scr scs se- seb sec see seg seh sel sen ser ses sgb sgc sge sgg sgh sgl sgn sgr sgs sh- shb shc she shg shh shl shn shr shs slb slc sle slg slh sll sln slr sls snb snc sne sng snl snn snr sns sr- srb src sre srg srh srl srn srr srs ss- ssb ssc sse ssg ssh ssl ssn ssr sss

-ene bbbb bbbs bbch bbeb bbhs bblb bbls bbng bbrc bbrg bcbc bcbg bcbs bccc bccl bccs bcec bcer bces bcgs bche bchs bcrs bcsc bcsl bcsn bcss bebb bebe bech becs beeb beeg beel been beer bees begg begs behn behr behs bele belg bell bels bene beng benn bens berc bere berg bern berr bers bes- bese besh bess bggs bghs bhcc bhel bher bhhs bleb blee bleg bleh bles blhs blls blrc blrg blss bneg bner bnhs bnrr bnss brcb brce breb brec bree breg brel bren brer bres brhs brls brns brrr brrs brsb brsr bscs bseb bsec bsee bseg bser bses bsgs bshs bslc bsns bssc bsse cbbc cbbs cbcc cbce cbcl cbcn cbcr cbcs cbec cbee cber cbgb cbhl cbhs cblb cblc cbln cbre cbrh cbrl cbrn cbsc cbse cbsn ccbc ccbn cccb cccc cccl cccs ccee ccel ccgc ccgs cche cchl cchr cchs cclc cclg ccls ccnb ccnc ccne ccnr ccns ccrc ccre ccrg ccrl ccrs ccsg ccsl ccsn ccss cebs cec- cece cecs ceeb ceec ceel cees cege cehl cehs cel- celc cele cell cels cen- cene ceng cens cer- cerc cere cerl cern cers cesc cese cesg cesr cess cgcc cgcg cgel cger cges cggs cghs cgns cgsb cgsh cgss chce chch chcs cheb chec chee cheh chel chen cher ches chgb chge chgn chgs chhs chlc chln chlr chnb chnc chnl chnr chns chrb chrc chrn chrr chrs chsc chse chsh chsr clec clee cleg cler cles clhs clrs clsc cnbc cnbl cnel cnes cnhs cnrc cnrr cnsl cnss crbc crcc crce crcr cre- creb crec cree creg creh cren cres crgs crhs crls crne crns crss cscb cscc csce