-er -ic -th c-- ccc cce cch cci ccr ccs cct ce- cec cee ceh cei cer ces cet ch- chc che chh chi chr chs cht ci- cic cie cih cii cir cis cit crc cre crh cri crr crs crt csc cse csh csi csr css cst ctc cte cth cti ctr cts ctt ec- ecc ece ech eci ecr ecs ect eec eee eer ees eet ehc ehe ehh ehi ehr ehs eht eic eie eii eir eis eit erc ere erh eri err ers ert es- esc ese esh esi esr ess est etc ete eth eti etr ets ett h-i hcc hce hch hci hcr hcs hct he- hec hee heh hei her hes het hhc hhe hhh hhi hhr hhs hht hic hie hih hii hir his hit hr- hrc hre hrh hri hrr hrs hrt hsc hse hsh hsi hsr hss hst htc hte hth hti htr hts htt icc ice ich ici icr ics ict ie- iec iee iei ier ies iet ihc ihe ihh ihi ihr ihs iht iic iie iih iii iir iis iit ir- irc ire iri irr irs irt is- isc ise ish isi isr iss ist itc ite ith iti its itt rcc rce rch rci rcr rcs rct re- rec ree reh rei rer res ret rh- rhc rhe rhh rhi rhr rhs rht ric rie rih rii rir ris rit rrc rrh rri rrr rrs rrt rsc rse rsh rsi rsr rss rst rtc rte rti rtr rts rtt scc sce sch sci scr scs sct se- sec see seh sei ser ses set sh- shc she shh shi shr shs sht sic sie sih sii sir sis sit sr- src sre srh sri srr srs srt ss- ssc sse ssh ssi ssr sss sst stc ste sth sti str sts stt tcc tce tch tci tcr tcs tct te- tec tee teh tei ter tes tet th- thc the thh thi thr ths tht tic tie tih tii tir tis tit trc tre trh tri trr trs trt tsc tse tsh tsi tsr tss tst ttc tte tth tti ttr tts ttt