-th c-- ccc cch cck cco ccr ccs cct ccu ch- chc chh chk cho chr chs cht chu ckc ckh cko cks ckt co- coc coh cok coo cor cos cot cou crc crh crk cro crr crs crt cru csc csh csk cso csr css cst csu ctc cth ctk cto ctr cts ctt ctu cuc cuh cuk cuo cur cus cut cuu hcc hch hck hco hcr hcs hct hhc hhh hhk hho hhr hhs hht hhu hkh hkk hko hkr hks hkt hku hoc hoh hok hoo hor hos hot hou hr- hrc hrh hrk hro hrr hrs hrt hru hsc hsh hsk hsr hss hst hsu htc hth htk hto htr hts htt huc huh huk huo hur hus hut huu k-t kcc kch kck kcr kcs kct kcu khh khk kho khr khs khu kkc kkh kkk kkr kks kkt kku koc koh kok koo kor kos kot kou krc krk kro krr krs krt kru ksc ksh ksk kso ksr kss kst ksu ktc kth ktk kto ktr kts ktt ktu kuc kuh kuk kur kus kut kuu oc- occ och ock oco ocr ocs oct ocu ohc ohh oho ohr ohs oht ohu okc okk oko okr oks oku oo- ooc ooh ook ooo oor oos oot or- orc orh ork oro orr ors ort oru os- osc osh osk oso osr oss ost osu ot- otc oth otk oto otr ots ott otu ou- ouc ouh ouk ouo our ous out rcc rch rco rcr rcs rct rcu rh- rhc rhh rho rhr rhs rht rhu rkc rkk rko rks rkt rku roc roh rok roo ror ros rot rou rrc rrh rrk rrr rrs rrt rru rsc rsh rsk rso rsr rss rst rsu rtc rtk rto rtr rts rtt rtu ruc ruh ruk ruo rur rus rut ruu scc sch sck sco scr scs sct scu sh- shc shh shk sho shr shs sht shu sk- skc skh skk sko skr sks skt sku soc soh sok soo sor sos sot sou sr- src srh srk sro srr srs srt ss- ssc ssh ssk sso ssr sss sst ssu stc sth stk sto str sts stt stu suc suh suk suo sur sus sut suu tcc tch tck tco tcr tcs tct tcu th- thc thh thk tho thr ths tht thu tkc tkk tko tkr tks tkt to- toc toh tok too tor tos tot tou trc trh trk tro trr trs trt tru tsc tsh tsk tso tsr tss tst tsu ttc tth ttk tto ttr tts ttt ttu tuc tuh tuk tuo tur tus tut tuu ucc uch uck uco ucr ucs uct ucu uhc uhh uho uhr uhs uht uhu ukc ukk ukr uku uoc uok uoo uor uos uot ur- urc urk uro urr urs urt uru usc ush usk uso usr uss ust usu utc uth utk uto utr uts utt utu uuc uur uus uut uuu