-ic c-- ccc cci cck ccr ccs cct ccu ci- cic cii cik cir cis cit ciu ckc cki cks ckt crc cri crk crr crs crt cru csc csi csk csr css cst csu ctc cti ctk ctr cts ctt ctu cuc cui cuk cur cus cut cuu icc ici ick icr ics ict icu iic iii iir iis iit iiu ikc iki ikk ikr iks ikt iku ir- irc iri irk irr irs irt iru is- isc isi isk isr iss ist isu itc iti itk its itt itu iu- iuc iui iur ius iut k-t kcc kci kck kcr kcs kct kcu kic kii kik kir kis kit kiu kkc kki kkk kkr kks kkt kku krc kri krk krr krs krt kru ksc ksi ksk ksr kss kst ksu ktc ktk ktr kts ktt ktu kuc kui kuk kur kus kut kuu rcc rci rcr rcs rct rcu ric rii rik rir ris rit rkc rkk rks rkt rku rrc rri rrk rrr rrs rrt rru rsc rsi rsk rsr rss rst rsu rtc rti rtk rtr rts rtt rtu ruc rui ruk rur rus rut ruu scc sci sck scr scs sct scu sic sii sik sir sis sit siu sk- skc ski skk skr sks skt sku sr- src sri srk srr srs srt ss- ssc ssi ssk ssr sss sst ssu stc sti stk str sts stt stu suc sui suk sur sus sut suu tcc tci tck tcr tcs tct tcu tic tii tik tir tis tit tiu tkc tkk tkr tks tkt trc tri trk trr trs trt tru tsc tsi tsk tsr tss tst tsu ttc tti ttk ttr tts ttt ttu tuc tui tuk tur tus tut tuu ucc uci uck ucr ucs uct ucu uic uii uir uis uit uiu ukc uki ukk ukr uku ur- urc uri urk urr urs urt uru usc usi usk usr uss ust usu utc uti utk utr uts utt utu uuc uur uus uut uuu