-er bbb bbc bbe bbh bbl bbn bbr bbs bcb bcc bce bch bcl bcn bcr bcs be- beb bec bee beh bel ben ber bes bhb bhc bhe bhh bhl bhr bhs blb blc ble blh bll bln blr bls bnb bnc bne bnl bnn bnr bns brb bre brh brl brn brr brs bsb bsc bse bsh bsl bsn bsr bss c-- cbb cbc cbe cbh cbl cbn cbr cbs ccb ccc cce cch ccl ccn ccr ccs ce- ceb cec cee ceh cel cen cer ces ch- chb chc che chh chl chn chr chs cl- clb clc cle clh cll cln clr cls cn- cnb cnc cne cnh cnl cnn cnr cns crb crc cre crh crl crn crr crs csb csc cse csh csl csn csr css ebb ebc ebe ebh ebl ebn ebr ebs ec- ecb ecc ece ech ecl ecn ecr ecs eeb eec eee eel een eer ees ehb ehc ehe ehh ehl ehn ehr ehs elb elc ele elh ell eln elr els en- enb enc ene enh enl enn enr ens erb erc ere erh erl ern err ers es- esb esc ese esh esl esn esr ess hbb hbc hbe hbh hbl hbn hbr hbs hcb hcc hce hch hcl hcn hcr hcs he- heb hec hee heh hel hen her hes hhb hhc hhe hhh hhl hhn hhr hhs hlb hlc hle hlh hll hln hlr hls hnb hnc hne hnh hnl hnn hns hr- hrb hrc hre hrh hrl hrn hrr hrs hsb hsc hse hsh hsl hsn hsr hss lbb lbc lbe lbh lbl lbr lbs lcb lcc lce lch lcl lcn lcr lcs leb lec lee leh lel len ler les lhb lhc lhh lhr lhs llb llc lle lll lln llr lls lnb lnc lne lnh lnl lnn lnr lns lrb lrc lrh lrn lrr lrs lsb lsc lse lsh lsl lsn lsr lss nbb nbc nbe nbl nbn nbr nbs ncb ncc nce nch ncl ncn ncr ncs ne- neb nec nee neh nel nen ner nes nhb nhc nhe nhh nhl nhn nhr nhs nlb nlc nle nlh nll nln nlr nls nnb nnc nne nnh nnl nnn nns nrb nrc nre nrl nrn nrr nrs nsb nsc nse nsh nsl nsn nsr nss rbb rbc rbe rbh rbl rbn rbr rbs rcb rcc rce rch rcl rcn rcr rcs re- reb rec ree reh rel ren rer res rh- rhb rhc rhe rhh rhl rhn rhr rhs rlc rle rlh rll rln rlr rls rnb rnc rnh rnn rnr rns rrb rrc rrh rrl rrn rrr rrs rsb rsc rse rsh rsl rsn rsr rss sbb sbc sbe sbh sbl sbn sbr sbs scb scc sce sch scl scn scr scs se- seb sec see seh sel sen ser ses sh- shb shc she shh shl shn shr shs slb slc sle slh sll sln slr sls snb snc sne snl snn snr sns sr- srb src sre srh srl srn srr srs ss- ssb ssc sse ssh ssl ssn ssr sss

-ene bbbb bbbs bbch bbeb bbhs bblb bbls bbrc bcbc bcbs bccc bccl bccs bcec bcer bces bche bchs bcrs bcsc bcsl bcsn bcss bebb bebe bech becs beeb beel been beer bees behn behr behs bele bell bels bene benn bens berc bere bern berr bers bes- bese besh bess bhcc bhel bher bhhs bleb blee bleh bles blhs blls blrc blss bner bnhs bnrr bnss brcb brce breb brec bree brel bren brer bres brhs brls brns brrr brrs brsb brsr bscs bseb bsec bsee bser bses bshs bslc bsns bssc bsse cbbc cbbs cbcc cbce cbcl cbcn cbcr cbcs cbec cbee cber cbhl cbhs cblb cblc cbln cbre cbrh cbrl cbrn cbsc cbse cbsn ccbc ccbn cccb cccc cccl cccs ccee ccel cche cchl cchr cchs cclc ccls ccnb ccnc ccne ccnr ccns ccrc ccre ccrl ccrs ccsl ccsn ccss cebs cec- cece cecs ceeb ceec ceel cees cehl cehs cel- celc cele cell cels cen- cene cens cer- cerc cere cerl cern cers cesc cese cesr cess chce chch chcs cheb chec chee cheh chel chen cher ches chhs chlc chln chlr chnb chnc chnl chnr chns chrb chrc chrn chrr chrs chsc chse chsh chsr clec clee cler cles clhs clrs clsc cnbc cnbl cnel cnes cnhs cnrc cnrr cnsl cnss crbc crcc crce crcr cre- creb crec cree creh cren cres crhs crls crne crns crss cscb cscc csce csch cscl cscr cscs csec csee cseh cser cshl cshs cslr csne csrc csrs csse cssr e-cl ebbc ebbr ebbs ebcc ebel eben eber ebes ebhs ecbc ecbe eccb eccc ecce eccl eces eche echl echs ecne ecrc ecrl ecrr ecsc ecse ecss eecs eeee eees eehs eele eels eens eerc eers eese ehcc eheh ehel ehen eher ehhs ehle ehre el-b elbe elcb elce elch elec elee eleh elen eler eles elhs elle ells elne else enb- enbn enbr ence ench encl encs enee enel ener enes enhs enls ennc enne enns enrs ense erbb erbe ercc erce erch ereb erec erel eren erer eres erhc erhs erle erll erne erns errc erre errs erse ersh esbs escb esce esch escr escs esee esel esen eser eses eshs esne esse essh essl hbbs hbes hbhs hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hebb hebe hebr hech hecs heeb heel heer hees hehe hehn hehs hele hell hels hene henh henn hens herb herc here herl hern herr hers hesc hesh hess hhcl hhhh hhhs hler hlhs hlss hnce hncs hnhs hrbl hree hrhs hrrc hsbc hscc hscn hses hshs hsls hsse lbcc lbhs lblr lbrs lbsc lcbc lccc lcce lccs lcer lces lchc lchr lchs lcls lcrl lcrs lcsc lcsr lece lech leel leen leer lees lehe lehr lehs lele lell lene lenn lens lerc lere lern lese lesh less lhbs lhec lhee lhhh lhhs lhss llbs llcc llcs lles llhs lllc llll lncr lner lnes lnhs lrcs lrhs