-ic c-- ccc cci cck cco ccr ccs cct ccu ci- cic cii cik cio ciq cir cis cit ciu ckc cki cko cks ckt co- coc coi cok coo coq cor cos cot cou cqc cqi cqo cqs cqt crc cri crk cro crq crr crs crt cru csc csi csk cso csq csr css cst csu ctc cti ctk cto ctq ctr cts ctt ctu cuc cui cuk cuo cuq cur cus cut cuu icc ici ick ico icq icr ics ict icu iic iii iio iir iis iit iiu ikc iki ikk iko ikr iks ikt iku io- ioc ioi ioo ior ios iot iou iqc iqs iqt iqu ir- irc iri irk iro irq irr irs irt iru is- isc isi isk iso isq isr iss ist isu itc iti itk ito itq its itt itu iu- iuc iui iur ius iut k-t kcc kci kck kcr kcs kct kcu kic kii kik kio kir kis kit kiu kkc kki kkk kkr kks kkt kku koc koi kok koo kor kos kot kou krc kri krk kro krr krs krt kru ksc ksi ksk kso ksr kss kst ksu ktc ktk kto ktr kts ktt ktu kuc kui kuk kur kus kut kuu o-i oc- occ oci ock oco ocr ocs oct ocu oic oii oik oio oir ois oit oiu okc oki okk oko okr oks oku oo- ooc ooi ook ooo oor oos oot oqo or- orc ori ork oro orr ors ort oru os- osc osi osk oso osq osr oss ost osu ot- otc oti otk oto otr ots ott otu ou- ouc oui ouk ouo our ous out qcc qci qco qcs qct qic qik qio qir qis qit qiu qki qoi qoo qor qos qqk qqq qqu qrc qri qrs qrt qru qsc qsi qso qsr qst qtc qti qto qtq qtr qts qu- qui quo qur qus qut rcc rci rco rcr rcs rct rcu ric rii rik rio riq rir ris rit rkc rkk rko rks rkt rku roc roi rok roo ror ros rot rou rqc rqs rrc rri rrk rrq rrr rrs rrt rru rsc rsi rsk rso rsq rsr rss rst rsu rtc rti rtk rto rtq rtr rts rtt rtu ruc rui ruk ruo rur rus rut ruu scc sci sck sco scr scs sct scu sic sii sik sio siq sir sis sit siu sk- skc ski skk sko skq skr sks skt sku soc soi sok soo soq sor sos sot sou sqi sqq sqr sqs sr- src sri srk sro srq srr srs srt ss- ssc ssi ssk sso ssq ssr sss sst ssu stc sti stk sto stq str sts stt stu suc sui suk suo suq sur sus sut suu tcc tci tck tco tcr tcs tct tcu tic tii tik tio tir tis tit tiu tkc tkk tko tkr tks tkt to- toc toi tok too toq tor tos tot tou tqo trc tri trk tro trq trr trs trt tru tsc tsi tsk tso tsq tsr tss tst tsu ttc tti ttk tto ttr tts ttt ttu tuc tui tuk tuo tur tus tut tuu ucc uci uck uco ucr ucs uct ucu uic uii uio uiq uir uis uit uiu ukc uki ukk ukr uku uoc uok uoo uor uos uot ur- urc uri urk uro urr urs urt uru usc usi usk uso usr uss ust usu utc uti utk uto utr uts utt utu uuc uur uus uut uuu