-er bbb bbc bbe bbg bbh bbk bbl bbn bbr bbs bcb bcc bce bcg bch bck bcl bcn bcr bcs be- beb bec bee beg beh bek bel ben ber bes bgb bgc bge bgg bgh bgk bgl bgn bgr bgs bhb bhc bhe bhg bhh bhk bhl bhr bhs bkb bkc bke bkg bkk bkl bkn bkr bks blb blc ble blg blh blk bll bln blr bls bnb bnc bne bng bnk bnl bnn bnr bns brb bre brg brh brk brl brn brr brs bsb bsc bse bsg bsh bsk bsl bsn bsr bss c-- cbb cbc cbe cbg cbh cbk cbl cbn cbr cbs ccb ccc cce ccg cch cck ccl ccn ccr ccs ce- ceb cec cee ceg ceh cek cel cen cer ces cgb cgc cge cgg cgh cgl cgn cgr cgs ch- chb chc che chg chh chk chl chn chr chs ckb ckc ckh cks cl- clb clc cle clg clh clk cll cln clr cls cn- cnb cnc cne cng cnh cnl cnn cnr cns crb crc cre crg crh crk crl crn crr crs csb csc cse csg csh csk csl csn csr css ebb ebc ebe ebg ebh ebk ebl ebn ebr ebs ec- ecb ecc ece ecg ech eck ecl ecn ecr ecs eeb eec eee eeg eek eel een eer ees egb egc ege egg egh egl egn egr egs ehb ehc ehe ehg ehh ehl ehn ehr ehs ekb ekc eke ekg ekh ekl ekr eks elb elc ele elg elh elk ell eln elr els en- enb enc ene eng enh enk enl enn enr ens erb erc ere erg erh erk erl ern err ers es- esb esc ese esg esh esk esl esn esr ess gbc gbe gbg gbh gbk gbl gbn gbr gbs gcb gcc gce gcg gch gck gcl gcn gcr gcs ge- geb gec gee geg geh gek gel gen ger ges ggb ggc ggg ggh ggn ggr ggs ghb ghc ghe ghg ghh ghl ghn ghr ghs gkb gkh gkn gks glb glc gle glg glh glk gll gln glr gls gnb gnc gne gnl gnn gnr gns grb grc gre grg grh grk grl grn grr grs gsb gsc gse gsg gsk gsl gsn gsr gss hbb hbc hbe hbg hbh hbk hbl hbn hbr hbs hcb hcc hce hcg hch hck hcl hcn hcr hcs he- heb hec hee heg heh hek hel hen her hes hgb hgc hge hgg hgh hgk hgl hgn hgr hgs hhb hhc hhe hhg hhh hhk hhl hhn hhr hhs hkb hkg hkh hkk hkl hkn hkr hks hlb hlc hle hlg hlh hll hln hlr hls hnb hnc hne hng hnh hnk hnl hnn hns hr- hrb hrc hre hrg hrh hrk hrl hrn hrr hrs hsb hsc hse hsg hsh hsk hsl hsn hsr hss kbb kbc kbe kbh kbk kbl kbn kbr kbs kcb kcc kce kcg kch kck kcl kcn kcr kcs ke- keb kec kee keg keh kek kel ken ker kes kgb kgc kgh kgl kgs khe khh khk khn khr khs kkb kkc kke kkh kkk kkl kkn kkr kks kl- klb klc klg klh klr kls kn- knc kne kng knk knl knn knr krc krg krk krl krn krr krs ksb ksc kse ksg ksh ksk ksl ksn ksr kss lbb lbc lbe lbg lbh lbk lbl lbr lbs lcb lcc lce lcg lch lck lcl lcn lcr lcs leb lec lee leg leh lek lel len ler les lgb lgc lge lgg lgh lgk lgl lgn lgr lgs lhb lhc lhh lhk lhr lhs lkb lkg lkh lkl lkr lks llb llc lle llg llk lll lln llr lls lnb lnc lne lng lnh lnk lnl lnn lnr lns lrb lrc lrg lrh lrk lrn lrr lrs lsb lsc lse lsg lsh lsk lsl lsn lsr lss nbb nbc nbe nbg nbk nbl nbn nbr nbs ncb ncc nce ncg nch nck ncl ncn ncr ncs ne- neb nec nee neg neh nek nel nen ner nes ngb ngc nge ngg ngh ngk ngl ngn ngs nhb nhc nhe nhg nhh nhk nhl nhn nhr nhs nkc nke nkk nkn nkr nks nlb nlc nle nlg nlh nlk nll nln nlr nls nnb nnc nne nng nnh nnk nnl nnn nns nrb nrc nre nrg nrk nrl nrn nrr nrs nsb nsc nse nsg nsh nsk nsl nsn nsr nss rbb rbc rbe rbg rbh rbk rbl rbn rbr rbs rcb rcc rce rcg rch rcl rcn rcr rcs re- reb rec ree reg reh rek rel ren rer res rgb rgc rge rgg rgh rgk rgn rgr rgs rh- rhb rhc rhe rhg rhh rhl rhn rhr rhs rkb rkc rke rkg rkk rks rlc rle rlg rlh rll rln rlr rls rnb rnc rng rnh rnn rnr rns rrb rrc rrg rrh rrk rrl rrn rrr rrs rsb rsc rse rsg rsh rsk rsl rsn rsr rss sbb sbc sbe sbg sbh sbk sbl sbn sbr sbs scb scc sce scg sch sck scl scn scr scs se- seb sec see seg seh sek sel sen ser ses sgb sgc sge sgg sgh sgk sgl sgn sgr sgs sh- shb shc she shg shh shk shl shn shr shs sk- skb skc ske skg skh skk skl skr sks slb slc sle slg slh slk sll sln slr sls snb snc sne sng snk snl snn snr sns sr- srb src sre srg srh srk srl srn srr srs ss- ssb ssc sse ssg ssh ssk 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 beck becs beeb beeg beek beel been beer bees begg begs behn behr behs beke beks bele belg belk bell bels bene beng benk benn bens berc bere berg berk bern berr bers bes- bese besh besk