-er -ic c-- ccc cce cci ccr ccs cct ce- cec cee cei ceq cer ces cet ci- cic cie cii ciq cir cis cit cqc cqi cqs cqt crc cre cri crq crr crs crt csc cse csi csq csr css cst ctc cte cti ctq ctr cts ctt ec- ecc ece eci ecq ecr ecs ect eec eee eer ees eet eic eie eii eir eis eit eqe eqq eqs eqt erc ere eri erq err ers ert es- esc ese esi esq esr ess est etc ete eti etr ets ett icc ice ici icq icr ics ict ie- iec iee iei ier ies iet iic iie iii iir iis iit iqc iqe iqs iqt ir- irc ire iri irq irr irs irt is- isc ise isi isq isr iss ist itc ite iti itq its itt qcc qci qcs qct qec qee qet qic qie qir qis qit qqq qrc qre qri qrs qrt qsc qsi qsr qst qtc qti qtq qtr qts rcc rce rci rcr rcs rct re- rec ree rei req rer res ret ric rie rii riq rir ris rit rqc rqs rrc rri rrq rrr rrs rrt rsc rse rsi rsq rsr rss rst rtc rte rti rtq rtr rts rtt scc sce sci scr scs sct se- sec see sei seq ser ses set sic sie sii siq sir sis sit sqi sqq sqr sqs sr- src sre sri srq srr srs srt ss- ssc sse ssi ssq ssr sss sst stc ste sti stq str sts stt tcc tce tci tcr tcs tct te- tec tee tei teq ter tes tet tic tie tii tir tis tit trc tre tri trq trr trs trt tsc tse tsi tsq tsr tss tst ttc tte tti ttr tts ttt