bbbb bbbs bbeb bblb bbls bcbc bcbp bcbs bccc bccl bccs bcec bces bcpl bcpp bcps bcsc bcsl bcss bebb bebe beck becs beeb beek beel beep bees beke beks bele belk bell belp bels bes- bese besk bess bksp bleb blee blek bles blkb blls blsp blss bpcp bpel bscp bscs bseb bsec bsee bses bslc bspp bssc bsse cbbc cbbs cbcc cbce cbcl cbcp cbcs cbec cbee cbkl cblb cblc cbpc cbpp cbsc cbse ccbc cccb cccc cccl cccp cccs ccee ccel cclc ccls ccpe ccpl ccpp ccps ccsl ccsp ccss cebp cebs cec- cece cecp cecs ceeb ceec ceel cees ceke cel- celc cele cell cels cepc cepe cepp ceps cesc cese cesp cess ckbc ckbe ckck ckcl ckcs ckpc cksb cksl clec clee clek clep cles clpb clpp clsc cpbc cpce cpcs cpeb cpep cplc cpls cpps cpsc cpsk cpsl cscb cscc csce cscl cscs csec csee csep csks cslp cspb cspc cspe csps csse e-cl ebbc ebbs ebcc ebel ebes ecbc ecbe eccb eccc ecce eccl eces ecks ecpp ecsc ecse ecsp ecss eecs eeee eees eeke eeks eele eels eeps eese eesk ekeb ekek ekes ekpe el-b el-p elbe elcb elce elec elee elek eles elke elks elle ells elpe else epcc epec epee epes eple epll eppc eppp epps epsc epsp epss esbs escb esce escs esee esek esel eses eske esks eslp espc espe espp esps esse essl essp kbbb kbbc kbbe kbbk kbbl kbbs kbcb kbce kbck kbcl kbcs kbeb kbec kbee kbek kbel kbes kbkb kbkk kbkl kblb kble kbll kblp kbls kbpc kbpe kbpk kbps kbsb kbsk kbss kcbc kcbk kcbl kcbs kccb kccc kcck kccl kceb kcec kcee kcel kcep kckc kckk kckl kclc kcle kclk kcll kcls kcpc kcpl kcps kcsb kcsc kcse kcsp kcss kebb kebc kebe keck keek keel keep kees kekb kekc keke kekl keks kele kelk kell kelp kep- kepc kepe keps kesb kesc kesk kesp kess kkbb kkbe kkbl kkbs kkcb kkck kkcl kkcs kkkk kklb kklc kkll kkls kkpc kkpk kkpl kkps kkse kksp kkss klbb klbc klbe klbl klbs klcb klcc klce klck klcl klcs kleb klec klee klek klep kles klkc klkk klkl klks kllb kllc klle kllk kllp klls klpc klsc klse kpbb kpbe kpbl kpbs kpcc kpcl kpcs kpek kpel kpke kpkk kpkl kplc kplk kppc kppk kppl kppp kpsc kpsp ksbc ksbl ksbp ksbs kscb ksce ksck kscl kscs ksec ksee ksek ksel ksep kskb kske kskk ksks kslb kslc ksle kslk ksll kspb kspc kspe kspk kspl ksps ksse kssl ksss lbcc lbsc lcbc lccc lcce lccs lces lcls lcpc lcpl lcps lcsc lcsp lece leck leek leel leep lees leke lekk leks lele lell lepe lepp leps lese lesk less llbs llcc llcs lles llks lllc llll llps lpec lppl lpsc lpss lscb lscs lses lspl lssp pbcc pbpk pbsp pcbc pcbs pccc pcce pccl pccs pcep pcks pclk pcll pcpb pcpp pcps pcse pebl pece peck pecl pecs peec peek peel peep pees peke pekk pel- pelb pele pell pels pepe peps pese pess pkcs plcc plce ple- pleb plec plee plek ples plkk plpp plss ppcc ppcs pple pppp ppps ppss pseb psec psel pspp psps pssc psse sbbs sbcc sbcs sbse sbsp sccc scce sccl sccp sccs scec scee scel scep sck- sckl scl- sclc sclk scls scpb scpe scpl scps scsc scsl se-c se-e se-k se-s sebe sebs sec- secc sece seck secs seeb seec seek seel seep sees seke sekk selb sele selk sell sels sepe sepp seps sesc sese sess skee skel skep skes skpc skss slbp slcc sleb slee slep sles sllp slpp slps slsc spcc spcs speb spec spee spek spel spes spke spkl splc sple splp spls spps spse spsp spss sscc ssce sscp sscs ssec ssee ssep sses sslc ssle sslp sspc sspe sspl ssps sssb sssc ssss