bbb bbc bbe bbh bbk bbl bbn bbs bcb bcc bce bch bck bcl bcn bcs be- beb bec bee beh bek bel ben bes bhb bhc bhe bhh bhk bhl bhs bkb bkc bke bkk bkl bkn bks blb blc ble blh blk bll bln bls bnb bnc bne bnk bnl bnn bns bsb bsc bse bsh bsk bsl bsn bss c-- cbb cbc cbe cbh cbk cbl cbn cbs ccb ccc cce cch cck ccl ccn ccs ce- ceb cec cee ceh cek cel cen ces ch- chb chc che chh chk chl chn chs ckb ckc ckh cks cl- clb clc cle clh clk cll cln cls cn- cnb cnc cne cnh cnl cnn cns csb csc cse csh csk csl csn css ebb ebc ebe ebh ebk ebl ebn ebs ec- ecb ecc ece ech eck ecl ecn ecs eeb eec eee eek eel een ees ehb ehc ehe ehh ehl ehn ehs ekb ekc eke ekh ekl eks elb elc ele elh elk ell eln els en- enb enc ene enh enk enl enn ens es- esb esc ese esh esk esl esn ess hbb hbc hbe hbh hbk hbl hbn hbs hcb hcc hce hch hck hcl hcn hcs he- heb hec hee heh hek hel hen hes hhb hhc hhe hhh hhk hhl hhn hhs hkb hkh hkk hkl hkn hks hlb hlc hle hlh hll hln hls hnb hnc hne hnh hnk hnl hnn hns hsb hsc hse hsh hsk hsl hsn hss kbb kbc kbe kbh kbk kbl kbn kbs kcb kcc kce kch kck kcl kcn kcs ke- keb kec kee keh kek kel ken kes khe khh khk khn khs kkb kkc kke kkh kkk kkl kkn kks kl- klb klc klh kls kn- knc kne knk knl knn ksb ksc kse ksh ksk ksl ksn kss lbb lbc lbe lbh lbk lbl lbs lcb lcc lce lch lck lcl lcn lcs leb lec lee leh lek lel len les lhb lhc lhh lhk lhs lkb lkh lkl lks llb llc lle llk lll lln lls lnb lnc lne lnh lnk lnl lnn lns lsb lsc lse lsh lsk lsl lsn lss nbb nbc nbe nbk nbl nbn nbs ncb ncc nce nch nck ncl ncn ncs ne- neb nec nee neh nek nel nen nes nhb nhc nhe nhh nhk nhl nhn nhs nkc nke nkk nkn nks nlb nlc nle nlh nlk nll nln nls nnb nnc nne nnh nnk nnl nnn nns nsb nsc nse nsh nsk nsl nsn nss sbb sbc sbe sbh sbk sbl sbn sbs scb scc sce sch sck scl scn scs se- seb sec see seh sek sel sen ses sh- shb shc she shh shk shl shn shs sk- skb skc ske skh skk skl sks slb slc sle slh slk sll sln sls snb snc sne snk snl snn sns ss- ssb ssc sse ssh ssk ssl ssn sss

-ene bbbb bbbs bbch bbeb bbhs bblb bbls bcbc bcbs bccc bccl bccs bcec bces bche bchs bcsc bcsl bcsn bcss bebb bebe bech beck becs beeb beek beel been bees behn behs beke beks bele belk bell bels bene benk benn bens bes- bese besh besk bess bhcc bhel bhhs bkhs bleb blee bleh blek bles blhs blkb blls blss bnhs bnss bscs bseb bsec bsee bses bshs bslc bsns bssc bsse cbbc cbbs cbcc cbce cbcl cbcn cbcs cbec cbee cbhl cbhs cbkl cbkn cblb cblc cbln cbsc cbse cbsn ccbc ccbn cccb cccc cccl cccs ccee ccel cche cchl cchs cclc ccls ccnb ccnc ccne ccns ccsl ccsn ccss cebs cec- cece cecs ceeb ceec ceel cees cehl cehs ceke cel- celc cele cell cels cen- cene cens cesc cese cess chce chch chcs cheb chec chee cheh chek chel chen ches chhs chkb chks chlc chln chnb chnc chnl chns chsc chse chsh ckbc ckbe ckch ckck ckcl ckcs cken ckhs ckln cknb cknc ckns cksb cksh cksl clec clee clek cles clhs clsc cnbc cnbl cnel cnes cnhs cnsl cnss cscb cscc csce csch cscl cscs csec csee cseh cshl cshs csks csne csse e-cl ebbc ebbs ebcc ebel eben ebes ebhs ecbc ecbe eccb eccc ecce eccl eces eche echl echs ecks ecne ecsc ecse ecss eecs eeee eees eehs eeke eeks eele eels eens eese eesk ehcc eheh ehel ehen ehhs ehle ekch ekeb ekek eken ekes ekhs ekne el-b elbe elcb elce elch elec elee eleh elek elen eles elhs elke elks elle ells elne else enb- enbn ence ench encl encs enee enel enes enhs enke enls ennc enne enns ense esbs escb esce esch escs esee esek esel esen eses eshs eske esks esne esse essh essl hbbs hbes hbhs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hebb hebe hech heck hecs heeb heek heel hees hehe hehn hehs heke hele helk hell hels hene henh henk henn hens hesc hesh hess hhcl hhhh hhhs hkcc hkcl hkcs hkse hlhs hlss hnce hncs hnhs hsbc hscc hscn hses hshs hsls hsse kbbb kbbc kbbe kbbk kbbl kbbs kbcb kbce kbch kbck kbcl kbcs kbeb kbec kbee kbeh kbek kbel kben kbes kbhb kbhc kbhe kbhh kbhl kbhn kbhs kbkb kbkk kbkl kblb kble kbll kbls kbnh kbnl kbnn kbsb kbsk kbsn kbss kcbc kcbk kcbl kcbs kccb kccc kcck kccl kceb kcec kcee kcel kche kchh kchk kchl kchn kchs kckc kckk kckl kckn kclc kcle kclh kclk kcll kcln kcls kcnb kcnh kcns kcsb kcsc kcse kcsn kcss kebb kebc kebe kebn kech keck keeh keek keel keen kees kehk kehl kehs kekb kekc keke kekl keks kele kelk kell keln ken- kene kenk kenl kenn kens kesb kesc kesh kesk kesn kess khbc khbs khcb khcc khch khck khcs kheb khec khel khhk khhl khhs khke khkk khkn khks khlc khle khll khls khnc khne khnk khnl khns khse khsl khsn khss kkbb kkbe kkbl kkbn kkbs kkcb kkch kkck kkcl kkcn kkcs kken kkhb