-ic -th c-- ccc cch cci ccr ccs cct ch- chc chh chi chr chs cht ci- cic cih cii cir cis cit crc crh cri crr crs crt csc csh csi csr css cst ctc cth cti ctr cts ctt h-i hcc hch hci hcr hcs hct hhc hhh hhi hhr hhs hht hic hih hii hir his hit hr- hrc hrh hri hrr hrs hrt hsc hsh hsi hsr hss hst htc hth hti htr hts htt icc ich ici icr ics ict ihc ihh ihi ihr ihs iht iic iih iii iir iis iit ir- irc iri irr irs irt is- isc ish isi isr iss ist itc ith iti its itt rcc rch rci rcr rcs rct rh- rhc rhh rhi rhr rhs rht ric rih rii rir ris rit rrc rrh rri rrr rrs rrt rsc rsh rsi rsr rss rst rtc rti rtr rts rtt scc sch sci scr scs sct sh- shc shh shi shr shs sht sic sih sii sir sis sit sr- src srh sri srr srs srt ss- ssc ssh ssi ssr sss sst stc sth sti str sts stt tcc tch tci tcr tcs tct th- thc thh thi thr ths tht tic tih tii tir tis tit trc trh tri trr trs trt tsc tsh tsi tsr tss tst ttc tth tti ttr tts ttt