bbbb bbbs bbeb bbet bbpr bbrc bcbc bcbp bcbs bccc bccs bcec bcer bces bcet bcpp bcps bcrs bcsc bcss bctc bcts bebb bebe beck becs beeb beek beep beer bees beet beke beks berc bere berk berr bers bert bes- bese besk bess best betc bete bets bett bkpr bkpt bksp bpcp bprc brcb brce breb brec bree brek brep brer bres bret brkb brrr brrs brsb brsr brst brtc bscp bscs bseb bsec bsee bser bses bset bskt bspp bspr bssc bsse bsts btbp btcc btcs btec btek btps btrc btrt btss bttb cbbc cbbs cbcc cbce cbcp cbcr cbcs cbct cbec cbee cber cbet cbkr cbpc cbpp cbre cbrt cbsc cbse cbtc ccbc cccb cccc cccp cccs ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsp ccss ccst cctb cctc cctt cebp cebs cec- cece cecp cecs cect ceeb ceec cees ceke cepc cepe cepp cepr ceps cept cer- cerc cere cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets ckbc ckbe ckck ckcs cker ckpc ckpr ckrc cksb ckst cktb ckts cpbc cpce cpcs cpeb cpep cper cpps cpre cprs cprt cpsc cpsk cpsr cptp cptr cpts crbc crcc crce crcr cre- creb crec cree crep cres cret crkc crkp crpc crps crrt crsp crss crst crtc crtp crts cscb cscc csce cscr cscs csec csee csep cser cset csks cspb cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts ctbs ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsc ctss ctts ebbc ebbr ebbs ebcc eber ebes ecbc ecbe eccb eccc ecce ecct eces ecks ecpp ecrc ecrr ecsc ecse ecsp ecss ect- ectc ects eecs eeee eees eeke eeks eeps eerc eers eese eesk eetc eete eets ekeb ekek eker ekes eket ekpe epcc epec epee eper epes eppc eppp epps eprb eprp eprs epsc epsp epss epte erbb erbe ercc erce ercp ereb erec erer eres eret erke erks erpe erps errc erre errs erse erst erts esbs escb esce escr escs esee esek eser eses eset eske esks espc espe espp esps esse essp esst estc este estp estr ests etbc etbr etcc etcs etec etee eter etes etre ette kbbb kbbc kbbe kbbk kbbr kbbs kbbt kbcb kbce kbck kbcr kbcs kbct kbeb kbec kbee kbek kber kbes kbet kbkb kbkk kbkr kbpc kbpe kbpk kbpr kbps kbpt kbrb kbrc kbre kbrk kbrt kbsb kbsk kbsr kbss kbst kbtb kbtc kbte kbtk kbtr kbts kbtt kcbc kcbk kcbr kcbs kccb kccc kcck kccr kcct kceb kcec kcee kcep kcet kckc kckk kckr kcpc kcpr kcps kcpt kcrc kcrp kcrr kcrs kcrt kcsb kcsc kcse kcsp kcsr kcss kcst kctb kctc kcte kebb kebc kebe kebr kebt keck kecr keek keep keer kees keet kekb kekc keke keks kep- kepc kepe keps kept ker- kerb kerc kere kerk kerp kerr kers kert kesb kesc kesk kesp kesr kess kest ket- ketc kete ketk ketp ketr kets kett kkbb kkbe kkbr kkbs kkbt kkcb kkck kkcr kkcs kkct kkkk kkpc kkpk kkps kkpt kkrb kkrc kkre kkrk kkrr kkrs kkrt kkse kksp kksr kkss kkst kktc kktk kkts kpbb kpbe kpbr kpbs kpcc kpcr kpcs kpek kper kpet kpke kpkk kpkr kppc kppk kppp kppr kprb kprc kpre kprk kprp kprr kprs kprt kpsc kpsp kpte kptr kpts kptt krbb krbe krbk krbr krbt krcb krcc krce krcs kreb krec kree krek kres kret krkc krke krkk krkr krks krpr krps krpt krrb krrc krre krrk krrr krrs krrt krsc krse krsk krsr krss krst krtc krtk krtr krts ksbc ksbp ksbr ksbs kscb ksce ksck kscr kscs ksec ksee ksek ksep kser kset kskb kske kskk kskr ksks kspb kspc kspe kspk kspr ksps kspt ksrb ksrp ksrr ksrs ksrt ksse kssr ksss ksst kstb kstc kste kstk kstp kstr ksts kstt ktbb ktbc ktbr ktbt ktcc ktce ktck ktcr ktcs ktec ktee ktek ktep ktkb ktkc ktke ktkk ktkr ktks ktkt ktpk ktpr ktpt ktrb ktrc ktre ktrk ktrp ktrr ktrs ktrt ktsc ktsr ktst kttc kttk kttp kttr ktts kttt pbcc pbpk pbrs pbsp pcbc pcbs pccc pcce pccs pcep pcer pcks pcpb pcpp pcps pcrc pcre pcse pcte pcts pece peck pecr pecs pect peec peek peep peer pees peet peke pekk pepe peps per- perc pere perk perp perr pers pert pese pess pest pete petr pets pett pkcs pkts ppcc ppcs pper pppp ppps pprc ppss ppts pptt prbc prbs prcc prcp prcs pre- preb prec pree prek prep pres pret prps prrs prsc prse prss prtc prtp prtr psbr psbt pseb psec pspp pspr psps psrk psrp pssc psse psst psts ptcc pter pttc pttk rbbb rbbr rbbs rbsp rbss rbst rcbc rccb rccc rccs rcep rcet rcps rcpt rcsc rcss rctc rcts rebb rebe rebk rebs recc rece reck recp recr recs rect reeb reek reep rees reet reke reks rekt repe repp repr reps rept rere rers rert rese resp ress rest rete retr rets rett rkss rkts rpcs rpet rpps rpts rrrr rrsp rscc rscs rsee rspb rspk rsps rsre rstp rsts rtcc rtce rtee rtes rtps rtss rttp rtts sbbs sbcc sbcs sbct sber sbrk sbse sbsp sbst sbtc sbtk sccc scce sccp sccs scct scec scee scep scer scet sck- scpb scpe scps scpt scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-k se-s se-t sebe sebs sebt sec- secc sece seck secr secs sect seeb seec seek seep seer sees seet seke sekk sekt sepe sepp sepr seps sept serb serc sere serk serp serr sers sert sesc sese sess sest set- setc sete sets sett skee skep sker skes sket skpc skrt skss spcc spcs speb spec spee spek sper spes spet spke spkr spps sprs spse spsp spss spst sptb sptc sptr spts srbc srcc srct sreb srec sres srpc srps srpt srsp srtp srtr ssbr sscc ssce sscp sscs ssec ssee ssep sses sset sspc sspe ssps sspt ssrc ssrs sssb sssc ssss sstb sstc