-ic -th c-- ccc cch cci cck cco ccr ccs cct ch- chc chh chi chk cho chr chs cht ci- cic cih cii cik cio cir cis cit ckc ckh cki cko cks ckt co- coc coh coi cok coo cor cos cot crc crh cri crk cro crr crs crt csc csh csi csk cso csr css cst ctc cth cti ctk cto ctr cts ctt h-i hcc hch hci hck hco hcr hcs hct hhc hhh hhi hhk hho hhr hhs hht hic hih hii hik hio hir his hit hkh hki hkk hko hkr hks hkt hoc hoh hoi hok hoo hor hos hot hr- hrc hrh hri hrk hro hrr hrs hrt hsc hsh hsi hsk hsr hss hst htc hth hti htk hto htr hts htt icc ich ici ick ico icr ics ict ihc ihh ihi ihk iho ihr ihs iht iic iih iii iio iir iis iit ikc iki ikk iko ikr iks ikt io- ioc ioh ioi ioo ior ios iot ir- irc iri irk iro irr irs irt is- isc ish isi isk iso isr iss ist itc ith iti itk ito its itt k-t kcc kch kci kck kcr kcs kct khh khi khk kho khr khs kic kih kii kik kio kir kis kit kkc kkh kki kkk kkr kks kkt koc koh koi kok koo kor kos kot krc kri krk kro krr krs krt ksc ksh ksi ksk kso ksr kss kst ktc kth ktk kto ktr kts ktt o-i oc- occ och oci ock oco ocr ocs oct ohc ohh ohi oho ohr ohs oht oic oii oik oio oir ois oit okc oki okk oko okr oks oo- ooc ooh ooi ook ooo oor oos oot or- orc orh ori ork oro orr ors ort os- osc osh osi osk oso osr oss ost ot- otc oth oti otk oto otr ots ott rcc rch rci rco rcr rcs rct rh- rhc rhh rhi rho rhr rhs rht ric rih rii rik rio rir ris rit rkc rkk rko rks rkt roc roh roi rok roo ror ros rot rrc rrh rri rrk rrr rrs rrt rsc rsh rsi rsk rso rsr rss rst rtc rti rtk rto rtr rts rtt scc sch sci sck sco scr scs sct sh- shc shh shi shk sho shr shs sht sic sih sii sik sio sir sis sit sk- skc skh ski skk sko skr sks skt soc soh soi sok soo sor sos sot sr- src srh sri srk sro srr srs srt ss- ssc ssh ssi ssk sso ssr sss sst stc sth sti stk sto str sts stt tcc tch tci tck tco tcr tcs tct th- thc thh thi thk tho thr ths tht tic tih tii tik tio tir tis tit tkc tkk tko tkr tks tkt to- toc toh toi tok too tor tos tot trc trh tri trk tro trr trs trt tsc tsh tsi tsk tso tsr tss tst ttc tth tti ttk tto ttr tts ttt