-er -ic c-- ccc cce cci ccn ccr ccs ccu ce- cec cee cei cen cer ces ceu ci- cic cie cii cin cir cis ciu cn- cnc cne cni cnn cnr cns cnu crc cre cri crn crr crs cru csc cse csi csn csr css csu cuc cue cui cun cur cus cuu ec- ecc ece eci ecn ecr ecs ecu eec eee een eer ees eic eie eii ein eir eis eiu en- enc ene eni enn enr ens enu erc ere eri ern err ers eru es- esc ese esi esn esr ess esu eu- euc eue eui eun eur eus icc ice ici icn icr ics icu ie- iec iee iei ien ier ies iic iie iii iin iir iis iiu in- inc ine ini inn inr ins inu ir- irc ire iri irn irr irs iru is- isc ise isi isn isr iss isu iu- iuc iue iui iur ius n-i ncc nce nci ncn ncr ncs ncu ne- nec nee nei nen ner nes neu nic nie nii nin nir nis niu nnc nne nni nnn nns nnu nrc nre nri nrn nrr nrs nru nsc nse nsi nsn nsr nss nsu nuc nue nui nun nur nus nuu rcc rce rci rcn rcr rcs rcu re- rec ree rei ren rer res reu ric rie rii rin rir ris rnc rni rnn rnr rns rnu rrc rri rrn rrr rrs rru rsc rse rsi rsn rsr rss rsu ruc rue rui run rur rus ruu scc sce sci scn scr scs scu se- sec see sei sen ser ses seu sic sie sii sin sir sis siu snc sne sni snn snr sns snu sr- src sre sri srn srr srs ss- ssc sse ssi ssn ssr sss ssu suc sue sui sun sur sus suu ucc uce uci ucn ucr ucs ucu uec uee uei uen uer ues uic uie uii uin uir uis uiu un- unc une uni unn unr uns unu ur- urc ure uri urn urr urs uru usc use usi usn usr uss usu uuc uue uun uur uus uuu