-er -up c-- ccc ccd cce ccf cck ccp ccr ccu cdc cdd cde cdf cdk cdp cdr cdu ce- cec ced cee cef cek cep cer ceu cfc cfd cfe cff cfk cfp cfr cfu ckc ckd cpc cpd cpe cpf cpk cpp cpr cpu crc crd cre crf crk crp crr cru cuc cud cue cuf cuk cup cur cuu dcc dcd dce dcf dck dcp dcr dcu ddc ddd dde ddf ddk ddp ddr ddu de- dec ded dee def dek dep der deu dfc dfd dfe dff dfk dfp dfr dfu dkc dke dkk dkp dkr dku dpc dpd dpe dpf dpk dpp dpr dpu drc drd dre drk drp drr dru duc dud due duf duk dup dur ec- ecc ecd ece ecf eck ecr ecu ed- edc edd ede edf edk edp edr edu eec eed eee eef eek eep eer ef- efc efd efe eff efp efr ekc ekd eke ekf ekp ekr eku ep- epc epd epe epf epp epr epu erc erd ere erf erk erp err eru eu- euc eud eue euf eup eur fcc fcd fce fcf fck fcp fcr fcu fdc fdd fde fdf fdk fdp fdr fdu fec fed fee fef fek fep fer feu ffc ffd ffe fff ffk ffp ffr ffu fkc fkf fkk fkp fpc fpd fpe fpk fpp fpr fpu frc frd fre frf frk frp frr fru fud fue fuf fuk fup fur fuu kcc kcd kce kck kcp kcr kcu kdc kde kdf kdk kdp kdr kdu ke- kec ked kee kef kek kep ker kfc kfd kff kfu kkc kke kkk kkp kkr kku kpc kpd kpe kpf kpk kpp kpr kpu krc krd krf krk krp krr kru kuc kud kue kuk kup kur kuu p-p pcc pcd pce pcf pck pcp pcr pcu pdc pdd pde pdf pdk pdp pdr pdu pec ped pee pef pek pep per peu pfc pfd pfe pff pfk pfp pfr pfu pkc pkd pke pkf pkp pkr pku ppc ppd ppe ppf ppk ppp ppr ppu prc prd pre prf prk prp prr pru puc pud pue puf puk pup pur puu rcc rcd rce rcf rcp rcr rcu rdc rdd rde rdf rdp rdr rdu re- rec red ree ref rek rep rer reu rfc rfd rfe rff rfk rfp rfr rfu rkc rke rkf rkk rkp rku rpc rpd rpe rpf rpk rpp rpr rpu rrc rrd rrf rrk rrp rrr rru ruc rud rue ruf ruk rup rur ruu ucc ucd uce ucf uck ucp ucr ucu udc udd ude udf udk udp udr udu uec ued uee uef uep uer ufc ufd ufe uff ufp ufr ufu ukc uke ukf ukk ukp ukr uku up- upc upd upe upf upk upp upr upu ur- urc urd ure urf urk urp urr uru uuc uue uur uuu

c-cd cccc cccf cccp cccu ccdc ccdf ccdp ccdr cced ccee ccfc ccfd ccff ccpe ccpp ccpr ccrc ccre ccrf ccrp ccuc ccup cd-e cd-r cddr cdec cdef cder cdfe cdre cec- cece cecp cedd cede cedu ceec cef- cefc ceke cepc cepe cepp cepr cer- cerc cerd cere cerf cerp cfcf cfdp cffr cfpr cfre cfrp ckck ckdu cker ckfr ckpc ckpr ckrc ckrd cpce cpcu cpep cper cpff cppd cpre crcc crce crcr crdc cre- crec cred cree crep creu crfc crkc crkp crpc crud crue cruk crup cucc cuce cuck cude cued cuek cuer cufc cuff cuk- cuke cupe cupp cupr curd cure curf curr dccc dccp dccu dcfc dcrk dcup dddd ddrc ddre dec- decc decd dece deck dedd dede dedu deed deef deek deep deer defe deff dek- deke depc depe depp depr der- derc dere derf derk derp derr deue deuk deur dfcc dfcu dfer dfrf dkdc dpcp dper dppc dprk dred dree dref drek drfc drue druk drup druu duce duck dudd dude dudu duer dufc duff dufu duke duku dupe dure durk duru duur eccc ecce ecdc ecdf eced ecef ecfc ecfr ecpd ecpp ecrc ecrf ecrr ecru eddc edde eddp ede- eder edfu edru educ edup edur eede eedu eeee eefe eeke eerc efke eked ekek eker ekfc ekpe ekur epcc epec epee eper epfc eppc eppp eprp ercc erce ercp erde erdf erec ered erer erfc erke erpe errc erre eruc erur eucd eude euer eufc eur- eurc eure f--k fccf fccp fcuk fcup fece feck fede feed feek feer fefc fefe feff feke fepc ferc ferd fere ferk ferr feru feud ffcc ffee ffff ffrr fp-c fpcc fprf frcc frcp fred free frep frfc frpd frue fuc- fuck fudd fude fufc fuff fufu fuke fukk fuku fur- fure furr kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kcep kceu kcfc kcfd kcfp kckc kckf kckk kckr kcpc kcpr kcpu kcrc kcrp kcrr kcru kcue kcuf kcuk kcup kdcc kdcd kdce kdcr kddc kddd kddf kddk kddr kdec kdef kdep kdfc kdfr kdkd kdkk kdkr kdpr kdrf kduc kdup kdur keck kecr kedc kedd kede kedp kedr keed keef keek keep keer kefc keff kefr kekc keke keku kep- kepc kepd kepe kepu ker- kerc kere kerf kerk kerp kerr keru keup keur kfcd kfcf kfcr kfed kfer kfff kffk kfpr kfrc kfrd kfre kfrp kfrr kfru kkcd kkck kkcr kkdc kkdd kked kkfr kkkk kkpc kkpk kkrc kkre kkrf kkrk kkrr kkup kkuu kpcc kpcr kpdc kpdf kpdr kpek kper kpfc kpfk kpfr kpke kpkk kpkr kppc kppd kppk kppp kppr kprc kprd kpre kprf kprk kprp kprr kpru kpur krcc krcd krce krcu krdc krdd krde krdr krdu krec kred kree kref krek kreu krfc krfd krfe krff krfp krkc krkd krke krkk krkr krku krpr krpu krrc krre krrf krrk krrr kruc krue kruf kruk krup krur kucc kucd kuce kucp kucr kudd kude kudu kued kuek kueu kufc kuff kufr kuke kukk kuku kupd kupe kupr kupu kurd kure kurk kurr kuru kuuk kuur kuuu pccc pcce pcep pcer pcfc pcpp pcrc pcrd pcre