-er -ic c-- ccc cce cci ccn ccr ccu ce- cec cee cei cen cer ceu ci- cic cie cii cin cir ciu cn- cnc cne cni cnn cnr cnu crc cre cri crn crr cru cuc cue cui cun cur cuu ec- ecc ece eci ecn ecr ecu eec eee een eer eic eie eii ein eir eiu en- enc ene eni enn enr enu erc ere eri ern err eru eu- euc eue eui eun eur icc ice ici icn icr icu ie- iec iee iei ien ier iic iie iii iin iir iiu in- inc ine ini inn inr inu ir- irc ire iri irn irr iru iu- iuc iue iui iur n-i ncc nce nci ncn ncr ncu ne- nec nee nei nen ner neu nic nie nii nin nir niu nnc nne nni nnn nnu nrc nre nri nrn nrr nru nuc nue nui nun nur nuu rcc rce rci rcn rcr rcu re- rec ree rei ren rer reu ric rie rii rin rir rnc rni rnn rnr rnu rrc rri rrn rrr rru ruc rue rui run rur ruu ucc uce uci ucn ucr ucu uec uee uei uen uer uic uie uii uin uir uiu un- unc une uni unn unr unu ur- urc ure uri urn urr uru uuc uue uun uur uuu