-ic c-- ccc cci cck cco ccr ccs cct ccu ci- cic cii cik cio cir cis cit ciu ckc cki cko cks ckt co- coc coi cok coo cor cos cot cou crc cri crk cro crr crs crt cru csc csi csk cso csr css cst csu ctc cti ctk cto ctr cts ctt ctu cuc cui cuk cuo cur cus cut cuu icc ici ick ico 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 ir- irc iri irk iro irr irs irt iru is- isc isi isk iso isr iss ist isu itc iti itk ito 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 or- orc ori ork oro orr ors ort oru os- osc osi osk oso osr oss ost osu ot- otc oti otk oto otr ots ott otu ou- ouc oui ouk ouo our ous out rcc rci rco rcr rcs rct rcu ric rii rik rio rir ris rit rkc rkk rko rks rkt rku roc roi rok roo ror ros rot rou rrc rri rrk rrr rrs rrt rru rsc rsi rsk rso rsr rss rst rsu rtc rti rtk rto rtr rts rtt rtu ruc rui ruk ruo rur rus rut ruu scc sci sck sco scr scs sct scu sic sii sik sio sir sis sit siu sk- skc ski skk sko skr sks skt sku soc soi sok soo sor sos sot sou sr- src sri srk sro srr srs srt ss- ssc ssi ssk sso ssr sss sst ssu stc sti stk sto str sts stt stu suc sui suk suo 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 tor tos tot tou trc tri trk tro trr trs trt tru tsc tsi tsk tso 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 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