-ic c-- ccc cci cco ccp ccr ccs cct ci- cic cii cio cip cir cis cit co- coc coi coo cop cor cos cot coy cpc cpi cpo cpp cpr cps cpt crc cri cro crp crr crs crt cry csc csi cso csp csr css cst csy ctc cti cto ctp ctr cts ctt cty cyc cyo cyp cyr cys cyt icc ici ico icp icr ics ict icy iic iii iio iip iir iis iit io- ioc ioi ioo iop ior ios iot ipc ipi ipo ipp ipr ips ipt ipy ir- irc iri iro irp irr irs irt iry is- isc isi iso isp isr iss ist isy itc iti ito itp its itt ity iyc iyo iyr iys iyt iyy o-i oc- occ oci oco ocp ocr ocs oct oic oii oio oip oir ois oit oo- ooc ooi ooo oop oor oos oot op- opc opi opo opp opr ops opt opy or- orc ori oro orp orr ors ort ory os- osc osi oso osp osr oss ost ot- otc oti oto otp otr ots ott oyi oyo oys p-p pcc pci pco pcp pcr pcs pct pic pii pio pip pir pis pit poc poi poo pop por pos pot poy ppc ppi ppo ppp ppr pps ppt prc pri pro prp prr prs prt pry ps- psc psi pso psp psr pss pst psy pt- ptc pti pto ptp ptr pts ptt pty py- pyc pyo pyr pys pyt rcc rci rco rcp rcr rcs rct ric rii rio rip rir ris rit riy roc roi roo rop ror ros rot roy rpc rpi rpo rpp rpr rps rpt rrc rri rrp rrr rrs rrt rsc rsi rso rsp rsr rss rst rtc rti rto rtp rtr rts rtt rty ry- ryc ryo ryr rys ryy scc sci sco scp scr scs sct sic sii sio sip sir sis sit soc soi soo sop sor sos sot soy spc spi spo spp spr sps spt spy sr- src sri sro srp srr srs srt sry ss- ssc ssi sso ssp ssr sss sst stc sti sto stp str sts stt sty sy- syc syi syp syr sys syt tcc tci tco tcp tcr tcs tct tic tii tio tip tir tis tit tiy to- toc toi too top tor tos tot toy tpc tpi tpo tpp tpr tps tpt trc tri tro trp trr trs trt try tsc tsi tso tsp tsr tss tst tsy ttc tti tto ttp ttr tts ttt tty tyc tyo typ tyr tys tyt ycc yci yco ycp ycs ycy yii yio yip yir yis yit yoc yoi yoo yop yor yos yot yoy ypo yps yrc yro yrp yrs yrt ysc ysi yso ysp ysr yss yst ysy ytc yto ytp ytr yts ytt yyc yys yyt yyy