-er -ic -up c-- ccc cce cci cck ccl ccn ccp ccr ccu ce- cec cee cei cek cel cen cep cer ceu ci- cic cie cii cik cil cin cip cir ciu ckc cki cl- clc cle cli clk cll cln clp clr clu cn- cnc cne cni cnl cnn cnp cnr cnu cpc cpe cpi cpk cpl cpn cpp cpr cpu crc cre cri crk crl crn crp crr cru cuc cue cui cuk cul cun cup cur cuu ec- ecc ece eci eck ecl ecn ecr ecu eec eee eek eel een eep eer eic eie eii eik eil ein eip eir eiu ekc eke eki ekl ekp ekr eku elc ele eli elk ell eln elp elr elu en- enc ene eni enk enl enn enp enr enu ep- epc epe epi epl epn epp epr epu erc ere eri erk erl ern erp err eru eu- euc eue eui eul eun eup eur icc ice ici ick icl icn icp icr icu ie- iec iee iei iek iel ien iep ier iic iie iii iil iin iip iir iiu ikc ike iki ikk ikl ikr iku il- ilc ile ili ilk ill iln ilp ilr ilu in- inc ine ini ink inl inn inp inr inu ipc ipe ipi ipl ipn ipp ipr ipu ir- irc ire iri irk irl irn irp irr iru iu- iuc iue iui iup iur kcc kce kci kck kcl kcn kcp kcr kcu ke- kec kee kei kek kel ken kep ker kic kie kii kik kil kin kip kir kiu kkc kke kki kkk kkl kkn kkp kkr kku kl- klc kli klr klu kn- knc kne kni knk knl knn knp knr knu kpc kpe kpi kpk kpl kpn kpp kpr kpu krc kri krk krl krn krp krr kru kuc kue kui kuk kul kun kup kur kuu l-p lcc lce lci lck lcl lcn lcp lcr lcu lec lee lei lek lel len lep ler leu lic lie lii lik lil lin lip lir liu lkl lkp lkr llc lle lli llk lll lln llp llr llu lnc lne lni lnk lnl lnn lnp lnr lnu lpc lpe lpi lpk lpl lpn lpp lpr lpu lrc lri lrk lrn lrp lrr lru luc lue lui luk lul lun lup lur luu n-i ncc nce nci nck ncl ncn ncp ncr ncu ne- nec nee nei nek nel nen nep ner neu nic nie nii nik nil nin nip nir niu nkc nke nki nkk nkn nkp nkr nku nlc nle nli nlk nll nln nlp nlr nlu nnc nne nni nnk nnl nnn nnp nnu npc npe npi npl npn npp npr npu nrc nre nri nrk nrl nrn nrp nrr nru nuc nue nui nuk nul nun nup nur nuu p-p pcc pce pci pck pcl pcn pcp pcr pcu pec pee pei pek pel pen pep per peu pic pie pii pik pil pin pip pir piu pkc pke pki pkl pkn pkp pkr pku plc ple pli plk pll pln plp plr plu pn- pnc pne pni pnk pnl pnn pnp pnr pnu ppc ppe ppi ppk ppl ppn ppp ppr ppu prc pre pri prk prl prn prp prr pru puc pue pui puk pul pun pup pur puu rcc rce rci rcl rcn rcp rcr rcu re- rec ree rei rek rel ren rep rer reu ric rie rii rik ril rin rip rir rkc rke rkk rkp rku rlc rle rli rll rln rlp rlr rlu rnc rni rnn rnp rnr rnu rpc rpe rpi rpk rpl rpn rpp rpr rpu rrc rri rrk rrl rrn rrp rrr rru ruc rue rui ruk run rup rur ruu ucc uce uci uck ucl ucn ucp ucr ucu uec uee uei uel uen uep uer uic uie uii uil uin uip uir uiu ukc uke uki ukk ukl ukn ukp ukr uku ulc ule uli ulk ull uln ulp ulr ulu un- unc une uni unk unl unn unp unr unu up- upc upe upi upk upn upp upr upu ur- urc ure uri urk url urn urp urr uru uuc uue uun uur uuu