bbbb bbeb bbet bbfc bblb bbpr bbrc bcbc bcbp bccc bccl bcec bcer bcet bcfc bcpl bcpp bctc bebb bebe beeb beef beel beep beer beet befe beff beft bele bell belp belt berc bere berr bert betc bete bett bffl bfpp bftt blbt bleb blee blet blfc blrc bpcp bpel bpfc bpfl bprc bptf brcb brce breb brec bree bref brel brep brer bret brfc brlp brrr brtc btbp btcc btcl btec btfc btlp btrc btrt bttb cbbc cbcc cbce cbcl cbcp cbcr cbct cbec cbee cbef cber cbet cbfb cbfc cblb cblc cbpc cbpp cbre cbrl cbrt cbtc cbtf cbtl ccbc cccb cccc cccf cccl cccp ccee ccel ccfc ccff ccfl cclc ccpe ccpl ccpp ccpr ccrc ccre ccrf ccrl ccrp ccrt cctb cctc cctl cctt cebp cec- cece cecp cect ceeb ceec ceel cef- cefc cel- celc cele celf cell celt cepc cepe cepp cepr cept cer- cerc cere cerf cerl cerp cert cet- cete cetp cfbc cfbr cfbt cfcb cfcf cfcl cffb cffr cfpl cfpr cfrb cfre cfrp cfrt cftc cfte cftl cftr clec clee clef clep cler clet clpb clpp cltb cltc cpbc cpce cpeb cpep cper cpff cpft cplc cpre cprt cptp cptr crbc crcc crce crcr cre- creb crec cree crep cret crfc crfl crlf crpc crrt crtc crtf crtl crtp ctcf ctcp ctec ctep ctfc ctle ctpp ctrc ctrl ctrp e-cl ebbc ebbr ebcc ebel eber ebfc ecbc ecbe eccb eccc ecce eccl ecct ecef ecfc ecfr eclt ecpp ecrc ecrf ecrl ecrr ect- ectc ectf eeee eefe eefl eele eerc eetc eete efbr efet eft- eftp el-b el-p elbe elcb elce elec elee elef eler elet elfc elfe elft elle elpe elte epcc epec epee eper epfc eple epll eppc eppp eprb eprp epte erbb erbe ercc erce ercp ereb erec erel erer eret erfc erft erle erll erpe errc erre ertl etbc etbr etcc etec etee etel eter etfb etfc etfe etre ette fble fccf fccp fece fect feeb feel feer feet fefc fefe feff fele felf fell felt fepc ferb ferc fere ferr fert fete fetp fetr fett ffcc ffee ffff ffrr fftf flcl flee fler flet fp-c fpcc fpct fplc fprf frbc frcc frcp free frep fret frfc ft-c ft-l fter ftfc ftlb ftpe lbcc lblr lbrt lcbc lccc lcce lcer lcfc lcfr lcpc lcpl lcrl lctl lece lect leef leel leep leer leet lefe leff left lele lell lepe lepp lept lerc lere lerp lert lete lett lfcc lftp llcc llef llet lllc llll lpec lpfp lpft lppl lprp lptb lrfc lrrc lrrr ltbf ltbl ltcc ltee ltfc lttc lttr pbcc pbrf pcbc pccc pcce pccl pcep pcer pcfc pcll pcpb pcpp pcrc pcre pcrf pcrl pcte pebl pece pecl pecr pect peec peel peep peer peet pefc peff pel- pelb pele pelf pell pelt pepe per- perc pere perf perl perp perr pert pete petr pett pfcb pfce pfet pfff pffr pfft pfte plbr plcc plce ple- pleb plec plee plet plff plpp pltf pltt ppcc pper pple pppp pprc pprf pptt prbc prcc prcf prcp pre- preb prec pree pref prel prep pret prfc prle prlr prtc prtp prtr ptbl ptcc ptcl pter ptrf pttc rbbb rbbr rbcl rble rcbc rccb rccc rcep rcet rcfc rcle rcpt rctc rebb rebe recc rece recp recr rect reeb reef reel reep reet refe reff refl refr reft relb rele rell relp relt repe repl repp repr rept rere rert rete retr rett rfef rffc rffl rftc rlee rlef rpet rpfc rrfc rrle rrrr rtbf rtcc rtce rtee rtfb rtfc rtle rtlt rttp tbcb tbcc tbce tbrb tbtp tccc tcep tcfc tctc tecl tecr tect teec teef teel teer teet tefc teff tefl teft tel- telc tele tell telt tepe tepp ter- terc tere terf terp terr tete tetr tett tfeb tfec tfpt tftc tftp tpcp tper tppp tppr tpte tptp tptr trcc trcl tre- trec tree tref tret trfc trfr trpc trpe trpp trtc trte trtr ttbb ttcp tter ttfc ttff tttt