-er -up c-- ccc ccd cce cck ccn ccp ccr ccu cdc cdd cde cdk cdn cdp cdr cdu ce- cec ced cee cek cen cep cer ceu ckc ckd cn- cnc cnd cne cnn cnp cnr cnu cpc cpd cpe cpk cpn cpp cpr cpu crc crd cre crk crn crp crr cru cuc cud cue cuk cun cup cur cuu dcc dcd dce dck dcn dcp dcr dcu ddc ddd dde ddk ddn ddp ddr ddu de- dec ded dee dek den dep der deu dkc dke dkk dkp dkr dku dnc dnd dne dnk dnn dnp dnr dpc dpd dpe dpk dpn dpp dpr dpu drc drd dre drk drn drp drr dru duc dud due duk dun dup dur ec- ecc ecd ece eck ecn ecr ecu ed- edc edd ede edk edn edp edr edu eec eed eee eek een eep eer ekc ekd eke ekp ekr eku en- enc end ene enk enn enp enr enu ep- epc epd epe epn epp epr epu erc erd ere erk ern erp err eru eu- euc eud eue eun eup eur kcc kcd kce kck kcn kcp kcr kcu kdc kde kdk kdp kdr kdu ke- kec ked kee kek ken kep ker kkc kke kkk kkn kkp kkr kku kn- knc knd kne knk knn knp knr knu kpc kpd kpe kpk kpn kpp kpr kpu krc krd krk krn krp krr kru kuc kud kue kuk kun kup kur kuu ncc ncd nce nck ncn ncp ncr ncu ndc ndd nde ndk ndn ndp ndr ndu ne- nec ned nee nek nen nep ner neu nkc nke nkk nkn nkp nkr nku nnc nne nnk nnn nnp nnu npc npd npe npn npp npr npu nrc nrd nre nrk nrn nrp nrr nru nuc nud nue nuk nun nup nur nuu p-p pcc pcd pce pck pcn pcp pcr pcu pdc pdd pde pdk pdn pdp pdr pdu pec ped pee pek pen pep per peu pkc pkd pke pkn pkp pkr pku pn- pnc pnd pne pnk pnn pnp pnr pnu ppc ppd ppe ppk ppn ppp ppr ppu prc prd pre prk prn prp prr pru puc pud pue puk pun pup pur puu rcc rcd rce rcn rcp rcr rcu rdc rdd rde rdn rdp rdr rdu re- rec red ree rek ren rep rer reu rkc rke rkk rkp rku rnc rnd rnn rnp rnr rnu rpc rpd rpe rpk rpn rpp rpr rpu rrc rrd rrk rrn rrp rrr rru ruc rud rue ruk run rup rur ruu ucc ucd uce uck ucn ucp ucr ucu udc udd ude udk udn udp udr udu uec ued uee uen uep uer ukc uke ukk ukn ukp ukr uku un- unc und une unk unn unp unr unu up- upc upd upe upk upn upp upr upu ur- urc urd ure urk urn urp urr uru uuc uue uun uur uuu

-ene c-cd cccc cccp cccu ccdc ccdn ccdp ccdr cced ccee ccnc ccne ccnp ccnr ccnu ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cd-e cd-r cddr cdec cder cdnc cdre cec- cece cecp cedd cede cedu ceec ceke cen- cend cene cepc cepe cepp cepr cer- cerc cerd cere cern cerp ckck ckdu cken cker cknc ckpc ckpr ckrc ckrd cncp cndd cndp cnep cnrc cnrr cpce cpcu cpep cper cppd cpre crcc crce crcr crdc cre- crec cred cree cren crep creu crkc crkp crne crpc crud crue cruk crun crup cucc cuce cuck cucn cude cued cuek cuer cuk- cuke cund cune cunp cupe cupp cupr curd cure curn curr dccc dccp dccu dcrk dcup dddd ddrc ddre dec- decc decd dece deck dedd dede dedu deed deek deen deep deer dek- deke dene denk denn denu depc depe depp depr der- derc dere derk dern derp derr deue deuk deur dkdc dnce dner dnrc dnuk dpcp dper dppc dprk dred dree drek dren drue druk drup druu duce duck dudd dude dudu duer duke duku dunc dune dunk dunn dupe dure durk durn duru duur eccc ecce ecdc eced ecne ecpd ecpp ecrc ecrr ecru eddc edde eddp ede- eden eder edrn edru educ edun edup edur eede eedu eeee eeke eend eerc eked ekek eken eker ekne ekpe ekur ence end- ende endu ened enee ener enke enkr ennc enne ennu enp- enue enur epcc epec epee epen eper eppc eppp eprp ercc erce ercp erde erec ered eren erer erke erne erpe errc erre eruc erur eucd eude euer eur- eurc eure kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kcep kceu kckc kckk kckn kckr kcnd kcnp kcnr kcpc kcpn kcpr kcpu kcrc kcrn kcrp kcrr kcru kcue kcuk kcup kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kden kdep kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kdpr kduc kdun kdup kdur keck kecr kedc kedd kede kedp kedr keed keek keen keep keer kekc keke keku ken- kend kene kenk kenn kenr kenu kep- kepc kepd kepe kepn kepu ker- kerc kere kerk kern kerp kerr keru keun keup keur kkcd kkck kkcn kkcr kkdc kkdd kked kken kkkk kknd kkne kknn kknu kkpc kkpk kkpn kkrc kkre kkrk kkrn kkrr kkup kkuu knce knck kncn kncr kncu kndc kndd knde kndk kndn kndp kndr kndu knec kned knee knek knen knep kneu knkk knnd knnk knnr knpc knpr knrk knud knue knuk knur kpcc kpcr kpdc kpdr kpek kper kpke kpkk kpkr kpnc kpnd kpne kpnp kppc kppd kppk kppp kppr kprc kprd kpre kprk kprn kprp kprr kpru kpur krcc krcd krce krcn krcu krdc krdd krde krdr krdu krec kred kree krek kren kreu krkc krkd krke krkk krkn krkr krku krnd krne krnk krnn krnp krnu krpr krpu krrc krre krrk krrn krrr kruc krue kruk krun krup krur kucc kucd kuce kucp kucr kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kunc kund kune kunk kunp