-er bbb bbc bbe bbg bbh bbn bbr bbs bcb bcc bce bcg bch bcn bcr bcs be- beb bec bee beg beh ben ber bes bgb bgc bge bgg bgh bgn bgr bgs bhb bhc bhe bhg bhh bhr bhs bnb bnc bne bng bnn bnr bns brb bre brg brh brn brr brs bsb bsc bse bsg bsh bsn bsr bss c-- cbb cbc cbe cbg cbh cbn cbr cbs ccb ccc cce ccg cch ccn ccr ccs ce- ceb cec cee ceg ceh cen cer ces cgb cgc cge cgg cgh cgn cgr cgs ch- chb chc che chg chh chn chr chs cn- cnb cnc cne cng cnh cnn cnr cns crb crc cre crg crh crn crr crs csb csc cse csg csh csn csr css ebb ebc ebe ebg ebh ebn ebr ebs ec- ecb ecc ece ecg ech ecn ecr ecs eeb eec eee eeg een eer ees egb egc ege egg egh egn egr egs ehb ehc ehe ehg ehh ehn ehr ehs en- enb enc ene eng enh enn enr ens erb erc ere erg erh ern err ers es- esb esc ese esg esh esn esr ess gbc gbe gbg gbh gbn gbr gbs gcb gcc gce gcg gch gcn gcr gcs ge- geb gec gee geg geh gen ger ges ggb ggc ggg ggh ggn ggr ggs ghb ghc ghe ghg ghh ghn ghr ghs gnb gnc gne gnn gnr gns grb grc gre grg grh grn grr grs gsb gsc gse gsg gsn gsr gss hbb hbc hbe hbg hbh hbn hbr hbs hcb hcc hce hcg hch hcn hcr hcs he- heb hec hee heg heh hen her hes hgb hgc hge hgg hgh hgn hgr hgs hhb hhc hhe hhg hhh hhn hhr hhs hnb hnc hne hng hnh hnn hns hr- hrb hrc hre hrg hrh hrn hrr hrs hsb hsc hse hsg hsh hsn hsr hss nbb nbc nbe nbg nbn nbr nbs ncb ncc nce ncg nch ncn ncr ncs ne- neb nec nee neg neh nen ner nes ngb ngc nge ngg ngh ngn ngs nhb nhc nhe nhg nhh nhn nhr nhs nnb nnc nne nng nnh nnn nns nrb nrc nre nrg nrn nrr nrs nsb nsc nse nsg nsh nsn nsr nss rbb rbc rbe rbg rbh rbn rbr rbs rcb rcc rce rcg rch rcn rcr rcs re- reb rec ree reg reh ren rer res rgb rgc rge rgg rgh rgn rgr rgs rh- rhb rhc rhe rhg rhh rhn rhr rhs rnb rnc rng rnh rnn rnr rns rrb rrc rrg rrh rrn rrr rrs rsb rsc rse rsg rsh rsn rsr rss sbb sbc sbe sbg sbh sbn sbr sbs scb scc sce scg sch scn scr scs se- seb sec see seg seh sen ser ses sgb sgc sge sgg sgh sgn sgr sgs sh- shb shc she shg shh shn shr shs snb snc sne sng snn snr sns sr- srb src sre srg srh srn srr srs ss- ssb ssc sse ssg ssh ssn ssr sss

-ene bbbb bbbs bbch bbeb bbhs bbng bbrc bbrg bcbc bcbg bcbs bccc bccs bcec bcer bces bcgs bche bchs bcrs bcsc bcsn bcss bebb bebe bech becs beeb beeg been beer bees begg begs behn behr behs bene beng benn bens berc bere berg bern berr bers bes- bese besh bess bggs bghs bhcc bher bhhs bneg bner bnhs bnrr bnss brcb brce breb brec bree breg bren brer bres brhs brns brrr brrs brsb brsr bscs bseb bsec bsee bseg bser bses bsgs bshs bsns bssc bsse cbbc cbbs cbcc cbce cbcn cbcr cbcs cbec cbee cber cbgb cbhs cbre cbrh cbrn cbsc cbse cbsn ccbc ccbn cccb cccc cccs ccee ccgc ccgs cche cchr cchs ccnb ccnc ccne ccnr ccns ccrc ccre ccrg ccrs ccsg ccsn ccss cebs cec- cece cecs ceeb ceec cees cege cehs cen- cene ceng cens cer- cerc cere cern cers cesc cese cesg cesr cess cgcc cgcg cger cges cggs cghs cgns cgsb cgsh cgss chce chch chcs cheb chec chee cheh chen cher ches chgb chge chgn chgs chhs chnb chnc chnr chns chrb chrc chrn chrr chrs chsc chse chsh chsr cnbc cnes cnhs cnrc cnrr cnss crbc crcc crce crcr cre- creb crec cree creg creh cren cres crgs crhs crne crns crss cscb cscc csce csch cscr cscs csec csee cseh cser csgh csgn cshs csne csrc csrs csse cssr ebbc ebbr ebbs ebcc eben eber ebes ebhs ecbc ecbe eccb eccc ecce eces ecgs eche echs ecne ecrc ecrr ecsc ecse ecss eecs eeee eees eegs eehs eeng eens eerc eerg eers eese egbe egcc egcg egcr egec egee eger eggb egge eggh eggs eghe eghh eghs egne egre egsc egsh egss ehcc eheh ehen eher ehhs ehre enb- enbn enbr ence ench encs enee eneg ener enes enge engg engr engs enhs ennc enne enns enrs ense ensg erbb erbe ercc erce erch ereb erec eren erer eres erg- ergg ergh ergs erhc erhs erne erns errc erre errs erse ersh esbs escb esce esch escr escs esee esen eser eses esgn eshs esne esse essg essh gbbs gbhs gc-c gcbc gccc gccs gchs gcrg gcse gcsh gcss gebe gece geen geer gees gege gegg gehn gehs gen- genc gene geng genn gens gerb gere gern gers gesg gess gggg gghg ggrn ggss ghee gheg ghhs gncc gngc gnrc gnrr grbr grcc grce greb grec gree greg gren gres grhs grrr grrs grss gshs gsse hbbs hbes hbhs hbrs hbss hcbc hcbs hccb hccc hcch hccs hcgh hchs hcng hcsc hcss hebb hebe hebr hech hecs heeb heeg heer hees hege hegg hegh hehe hehn hehs hene heng henh henn hens herb herc here herg hern herr hers hesc hesh hess hggc hghs hgse hhgg hhhh hhhs hnce hncs hnhs hree hrhs hrng hrrc hsbc hscc hscn hses hshs hsse nbbc nbcc nbcs nber nbhs ncbc ncbs nccc nccn nccr nccs ncec