-er -ic c-- ccc cce cci cck ccn ccr ccu ce- cec cee cei cek cen ceq cer ceu ci- cic cie cii cik cin ciq cir ciu ckc cki cn- cnc cne cni cnn cnr cnu cqc cqi crc cre cri crk crn crq crr cru cuc cue cui cuk cun cuq cur cuu ec- ecc ece eci eck ecn ecq ecr ecu eec eee eek een eer eic eie eii eik ein eir eiu ekc eke eki ekr eku en- enc ene eni enk enn enr enu eqe eqn eqq equ erc ere eri erk ern erq err eru eu- euc eue eui eun eur icc ice ici ick icn icq icr icu ie- iec iee iei iek ien ier iic iie iii iin iir iiu ikc ike iki ikk ikr iku in- inc ine ini ink inn inq inr inu iqc iqe iqu ir- irc ire iri irk irn irq irr iru iu- iuc iue iui iur kcc kce kci kck kcn kcr kcu ke- kec kee kei kek ken ker kic kie kii kik kin kir kiu kkc kke kki kkk kkn kkr kku kn- knc kne kni knk knn knr knu krc kri krk krn krr kru kuc kue kui kuk kun kur kuu n-i ncc nce nci nck ncn ncr ncu ne- nec nee nei nek nen ner neu nic nie nii nik nin niq nir niu nkc nke nki nkk nkn nkr nku nnc nne nni nnk nnn nnu nqc nrc nre nri nrk nrn nrr nru nuc nue nui nuk nun nuq nur nuu qcc qci qec qee qen qic qie qik qin qir qiu qki qne qni qnk qqk qqq qqu qrc qre qri qru qu- que qui qur rcc rce rci rcn rcr rcu re- rec ree rei rek ren req rer reu ric rie rii rik rin riq rir rkc rke rkk rku rnc rni rnn rnr rnu rqc rqn rrc rri rrk rrn rrq rrr rru ruc rue rui ruk run rur ruu ucc uce uci uck ucn ucr ucu uec uee uei uen uer uic uie uii uin uiq uir uiu ukc uke uki ukk ukn ukr uku un- unc une uni unk unn unq unr unu ur- urc ure uri urk urn urr uru uuc uue uun uur uuu