-er -up c-- ccc cce ccf cck ccp ccr ccs ccu ce- cec cee cef cek cep cer ces ceu cfc cfe cff cfk cfp cfr cfs cfu ckc cks cpc cpe cpf cpk cpp cpr cps cpu crc cre crf crk crp crr crs cru csc cse csf csk csp csr css csu cuc cue cuf cuk cup cur cus cuu ec- ecc ece ecf eck ecr ecs ecu eec eee eef eek eep eer ees ef- efc efe eff efp efr efs ekc eke ekf ekp ekr eks eku ep- epc epe epf epp epr eps epu erc ere erf erk erp err ers eru es- esc ese esf esk esp esr ess esu eu- euc eue euf eup eur eus fcc fce fcf fck fcp fcr fcs fcu fec fee fef fek fep fer fes feu ffc ffe fff ffk ffp ffr ffs ffu fkc fkf fkk fkp fpc fpe fpk fpp fpr fps fpu frc fre frf frk frp frr frs fru fsc fse fsf fsk fsp fsr fss fsu fue fuf fuk fup fur fus fuu kcc kce kck kcp kcr kcs kcu ke- kec kee kef kek kep ker kes kfc kff kfs kfu kkc kke kkk kkp kkr kks kku kpc kpe kpf kpk kpp kpr kps kpu krc krf krk krp krr krs kru ksc kse ksf ksk ksp ksr kss ksu kuc kue kuk kup kur kus kuu p-p pcc pce pcf pck pcp pcr pcs pcu pec pee pef pek pep per pes peu pfc pfe pff pfk pfp pfr pfs pfu pkc pke pkf pkp pkr pks pku ppc ppe ppf ppk ppp ppr pps ppu prc pre prf prk prp prr prs pru ps- psc pse psf psk psp psr pss psu puc pue puf puk pup pur pus puu rcc rce rcf rcp rcr rcs rcu re- rec ree ref rek rep rer res reu rfc rfe rff rfk rfp rfr rfs rfu rkc rke rkf rkk rkp rks rku rpc rpe rpf rpk rpp rpr rps rpu rrc rrf rrk rrp rrr rrs rru rsc rse rsf rsk rsp rsr rss rsu ruc rue ruf ruk rup rur rus ruu scc sce scf sck scp scr scs scu se- sec see sef sek sep ser ses seu sfc sfe sff sfk sfp sfr sfs sfu sk- skc ske skf skk skp skr sks sku spc spe spf spk spp spr sps spu sr- src sre srf srk srp srr srs ss- ssc sse ssf ssk ssp ssr sss ssu suc sue suf suk sup sur sus suu ucc uce ucf uck ucp ucr ucs ucu uec uee uef uep uer ues ufc ufe uff ufp ufr ufs ufu ukc uke ukf ukk ukp ukr uku up- upc upe upf upk upp upr ups upu ur- urc ure urf urk urp urr urs uru usc use usf usk usp usr uss usu uuc uue uur uus uuu

cccc cccf cccp cccs cccu ccee ccfc ccff ccpe ccpp ccpr ccps ccrc ccre ccrf ccrp ccrs ccsf ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec cees cef- cefc ceke cepc cepe cepp cepr ceps cer- cerc cere cerf cerp cers cesc cese cesp cesr cess cfcf cfcs cffr cfpr cfps cfre cfrp cfse ckck ckcs cker ckfr ckpc ckpr ckrc cpce cpcs cpcu cpep cper cpff cpps cpre cprs cpsc cpsk cpsr cpsu cpus crcc crce crcr cre- crec cree crep cres creu crfc crfs crkc crkp crpc crps crsp crss crue cruk crup crus cscc csce cscf cscr cscs csec csee csep cser csfc csfr csks cspc cspe csps csrc csrs csse cssr csuf csup csur csus cucc cuce cuck cuek cuer cues cufc cuff cuk- cuke cupe cupp cupr cups cure curf curr curs cusk cusp cuss cusu eccc ecce ecef eces ecfc ecfr ecfs ecks ecpp ecrc ecrf ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eefe eeke eeks eeps eerc eers eese eesk efes effs efke ekek eker ekes ekfc ekpe ekur epcc epec epee eper epes epfc eppc eppp epps eprp eprs epsc epsf epsp epss epus ercc erce ercp erec erer eres erfc erfs erke erks erpe erps errc erre errs erse eruc erur erus esce escr escs escu esee esek eser eses esfp esfs eske esks esku espc espe espp esps esse essp essu esuf esus euer eufc eur- eurc eure euse f--k fccf fccp fces fcps fcsc fcuk fcup fece feck feek feer fees fefc fefe feff feke fepc feps ferc fere ferk ferr fers feru fese fess feus ffcc ffee ffff ffps ffrr ffss fp-c fpcc fprf frcc frcp free frep fres frfc frps frsc frue fscc fsck fsec fspc fspf fssc fssf fssp fuc- fuck fufc fuff fufu fuke fukk fuku fur- fure furr furs fusc fuse fusk fuss fusu kccc kcck kccr kccu kcec kcee kcep kceu kcfc kcfp kckc kckf kckk kckr kcpc kcpr kcps kcpu kcrc kcrp kcrr kcrs kcru kcsc kcse kcsf kcsp kcsr kcss kcsu kcue kcuf kcuk kcup keck kecr keef keek keep keer kees kefc keff kefr kefs kekc keke keks keku kep- kepc kepe keps kepu ker- kerc kere kerf kerk kerp kerr kers keru kesc kesk kesp kesr kess keup keur keus kfcf kfcr kfcs kfer kfff kffk kfpr kfrc kfre kfrp kfrr kfrs kfru kfse kfsk kfsp kfsr kkck kkcr kkcs kkfr kkfs kkkk kkpc kkpk kkps kkrc kkre kkrf kkrk kkrr kkrs kkse kksf kksp kksr kkss kksu kkup kkus kkuu kpcc kpcr kpcs kpek kper kpfc kpfk kpfr kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprf kprk kprp kprr kprs kpru kpsc kpsf kpsp kpsu kpur kpus krcc krce krcs krcu krec kree kref krek kres kreu krfc krfe krff krfp krfs krkc krke krkk krkr krks krku krpr krps krpu krrc krre krrf krrk krrr krrs krsc krse krsf krsk krsr krss krsu kruc krue kruf kruk krup krur ksce ksck kscr kscs kscu ksec ksee ksek ksep kser