-er -ic -up c-- ccc cce cci cck ccn ccp ccr ccu ce- cec cee cei cek cen cep cer ceu ci- cic cie cii cik cin cip cir ciu ckc cki cn- cnc cne cni cnn cnp cnr cnu cpc cpe cpi cpk cpn cpp cpr cpu crc cre cri crk crn crp crr cru cuc cue cui cuk cun cup cur cuu ec- ecc ece eci eck ecn ecr ecu eec eee eek een eep eer eic eie eii eik ein eip eir eiu ekc eke eki ekp ekr eku en- enc ene eni enk enn enp enr enu ep- epc epe epi epn epp epr epu erc ere eri erk ern erp err eru eu- euc eue eui eun eup eur icc ice ici ick icn icp icr icu ie- iec iee iei iek ien iep ier iic iie iii iin iip iir iiu ikc ike iki ikk ikr iku in- inc ine ini ink inn inp inr inu ipc ipe ipi ipn ipp ipr ipu ir- irc ire iri irk irn irp irr iru iu- iuc iue iui iup iur kcc kce kci kck kcn kcp kcr kcu ke- kec kee kei kek ken kep ker kic kie kii kik kin kip kir kiu kkc kke kki kkk kkn kkp kkr kku kn- knc kne kni knk knn knp knr knu kpc kpe kpi kpk kpn kpp kpr kpu krc kri krk krn krp krr kru kuc kue kui kuk kun kup kur kuu n-i ncc nce nci nck ncn ncp ncr ncu ne- nec nee nei nek nen nep ner neu nic nie nii nik nin nip nir niu nkc nke nki nkk nkn nkp nkr nku nnc nne nni nnk nnn nnp nnu npc npe npi npn npp npr npu nrc nre nri nrk nrn nrp nrr nru nuc nue nui nuk nun nup nur nuu p-p pcc pce pci pck pcn pcp pcr pcu pec pee pei pek pen pep per peu pic pie pii pik pin pip pir piu pkc pke pki pkn pkp pkr pku pn- pnc pne pni pnk pnn pnp pnr pnu ppc ppe ppi ppk ppn ppp ppr ppu prc pre pri prk prn prp prr pru puc pue pui puk pun pup pur puu rcc rce rci rcn rcp rcr rcu re- rec ree rei rek ren rep rer reu ric rie rii rik rin rip rir rkc rke rkk rkp rku rnc rni rnn rnp rnr rnu rpc rpe rpi rpk rpn rpp rpr rpu rrc rri rrk rrn rrp rrr rru ruc rue rui ruk run rup rur ruu ucc uce uci uck ucn ucp ucr ucu uec uee uei uen uep uer uic uie uii uin uip uir uiu ukc uke uki ukk ukn ukp ukr uku un- unc une uni unk unn unp unr unu up- upc upe upi upk upn upp upr upu ur- urc ure uri urk urn urp urr uru uuc uue uun uur uuu