-er -ic c-- ccc cce cci ccn ccr ccs cct ce- cec cee cei cen cer ces cet ci- cic cie cii cin cir cis cit cn- cnc cne cni cnn cnr cns cnt crc cre cri crn crr crs crt csc cse csi csn csr css cst ctc cte cti ctn ctr cts ctt ec- ecc ece eci ecn ecr ecs ect eec eee een eer ees eet eic eie eii ein eir eis eit en- enc ene eni enn enr ens ent erc ere eri ern err ers ert es- esc ese esi esn esr ess est etc ete eti etn etr ets ett icc ice ici icn icr ics ict ie- iec iee iei ien ier ies iet iic iie iii iin iir iis iit in- inc ine ini inn inr ins int ir- irc ire iri irn irr irs irt is- isc ise isi isn isr iss ist itc ite iti itn its itt n-i ncc nce nci ncn ncr ncs nct ne- nec nee nei nen ner nes net nic nie nii nin nir nis nit nnc nne nni nnn nns nnt nrc nre nri nrn nrr nrs nrt nsc nse nsi nsn nsr nss nst ntc nte nti ntn ntr nts ntt rcc rce rci rcn rcr rcs rct re- rec ree rei ren rer res ret ric rie rii rin rir ris rit rnc rni rnn rnr rns rnt rrc rri rrn rrr rrs rrt rsc rse rsi rsn rsr rss rst rtc rte rti rtn rtr rts rtt scc sce sci scn scr scs sct se- sec see sei sen ser ses set sic sie sii sin sir sis sit snc sne sni snn snr sns snt sr- src sre sri srn srr srs srt ss- ssc sse ssi ssn ssr sss sst stc ste sti stn str sts stt tcc tce tci tcn tcr tcs tct te- tec tee tei ten ter tes tet tic tie tii tin tir tis tit tnc tne tni tnn tnr tns tnt trc tre tri trn trr trs trt tsc tse tsi tsn tsr tss tst ttc tte tti ttn ttr tts ttt