-ic c-- ccc cci ccp ccs cct ci- cic cii cip cis cit cpc cpi cpp cps cpt csc csi csp css cst csy ctc cti ctp cts ctt cty cyc cyp cys cyt icc ici icp ics ict icy iic iii iip iis iit ipc ipi ipp ips ipt ipy is- isc isi isp iss ist isy itc iti itp its itt ity iyc iys iyt iyy p-p pcc pci pcp pcs pct pic pii pip pis pit ppc ppi ppp pps ppt ps- psc psi psp pss pst psy pt- ptc pti ptp pts ptt pty py- pyc pys pyt scc sci scp scs sct sic sii sip sis sit spc spi spp sps spt spy ss- ssc ssi ssp sss sst stc sti stp sts stt sty sy- syc syi syp sys syt tcc tci tcp tcs tct tic tii tip tis tit tiy tpc tpi tpp tps tpt tsc tsi tsp tss tst tsy ttc tti ttp tts ttt tty tyc typ tys tyt ycc yci ycp ycs ycy yii yip yis yit yps ysc ysi ysp yss yst ysy ytc ytp yts ytt yyc yys yyt yyy