-ic c-- ccc cci cck ccs cct ci- cic cii cik cis cit ckc cki cks ckt cky csc csi csk css cst csy ctc cti ctk cts ctt cty cyc cyk cys cyt icc ici ick ics ict icy iic iii iis iit ikc iki ikk iks ikt is- isc isi isk iss ist isy itc iti itk its itt ity iyc iys iyt iyy k-t kcc kci kck kcs kct kic kii kik kis kit kkc kki kkk kks kkt kky ksc ksi ksk kss kst ktc ktk kts ktt kyc kys kyt scc sci sck scs sct sic sii sik sis sit sk- skc ski skk sks skt sky ss- ssc ssi ssk sss sst stc sti stk sts stt sty sy- syc syi syk sys syt tcc tci tck tcs tct tic tii tik tis tit tiy tkc tkk tks tkt tky tsc tsi tsk tss tst tsy ttc tti ttk tts ttt tty tyc tys tyt ycc yci ycs ycy yii yis yit yki ykk ysc ysi ysk yss yst ysy ytc ytk yts ytt yyc yys yyt yyy