-er -ic c-- ccc cce cci cck ccl ccn ccr ccu ce- cec cee cei cek cel cen cer ceu ci- cic cie cii cik cil cin cir ciu ckc cki cl- clc cle cli clk cll cln clr clu cn- cnc cne cni cnl cnn cnr cnu crc cre cri crk crl crn crr cru cuc cue cui cuk cul cun cur cuu ec- ecc ece eci eck ecl ecn ecr ecu eec eee eek eel een eer eic eie eii eik eil ein eir eiu ekc eke eki ekl ekr eku elc ele eli elk ell eln elr elu en- enc ene eni enk enl enn enr enu erc ere eri erk erl ern err eru eu- euc eue eui eul eun eur icc ice ici ick icl icn icr icu ie- iec iee iei iek iel ien ier iic iie iii iil iin iir iiu ikc ike iki ikk ikl ikr iku il- ilc ile ili ilk ill iln ilr ilu in- inc ine ini ink inl inn inr inu ir- irc ire iri irk irl irn irr iru iu- iuc iue iui iur kcc kce kci kck kcl kcn kcr kcu ke- kec kee kei kek kel ken ker kic kie kii kik kil kin kir kiu kkc kke kki kkk kkl kkn kkr kku kl- klc kli klr klu kn- knc kne kni knk knl knn knr knu krc kri krk krl krn krr kru kuc kue kui kuk kul kun kur kuu lcc lce lci lck lcl lcn lcr lcu lec lee lei lek lel len ler leu lic lie lii lik lil lin lir liu lkl lkr llc lle lli llk lll lln llr llu lnc lne lni lnk lnl lnn lnr lnu lrc lri lrk lrn lrr lru luc lue lui luk lul lun lur luu n-i ncc nce nci nck ncl ncn ncr ncu ne- nec nee nei nek nel nen ner neu nic nie nii nik nil nin nir niu nkc nke nki nkk nkn nkr nku nlc nle nli nlk nll nln nlr nlu nnc nne nni nnk nnl nnn nnu nrc nre nri nrk nrl nrn nrr nru nuc nue nui nuk nul nun nur nuu rcc rce rci rcl rcn rcr rcu re- rec ree rei rek rel ren rer reu ric rie rii rik ril rin rir rkc rke rkk rku rlc rle rli rll rln rlr rlu rnc rni rnn rnr rnu rrc rri rrk rrl rrn rrr rru ruc rue rui ruk run rur ruu ucc uce uci uck ucl ucn ucr ucu uec uee uei uel uen uer uic uie uii uil uin uir uiu ukc uke uki ukk ukl ukn ukr uku ulc ule uli ulk ull uln ulr ulu un- unc une uni unk unl unn unr unu ur- urc ure uri urk url urn urr uru uuc uue uun uur uuu