-ic c-- ccc ccd cci ccp ccr ccs cct cdc cdd cdi cdp cdr cds cdt cdy ci- cic cid cii cip cir cis cit cpc cpd cpi cpp cpr cps cpt crc crd cri crp crr crs crt cry csc csd csi csp csr css cst csy ctc ctd cti ctp ctr cts ctt cty cyc cyd cyp cyr cys cyt dcc dcd dci dcp dcr dcs dct ddc ddd ddi ddp ddr dds ddt ddy di- dic did dii dip dir dis dit diy dpc dpd dpi dpp dpr dps dpt drc drd dri drp drr drs drt dry dsc dsd dsi dsp dsr dss dst dsy dtc dtd dti dtp dtr dts dtt dty dy- dyc dyd dyp dyr dys dyy i-d icc icd ici icp icr ics ict icy idc idd idi idp idr ids idt idy iic iid iii iip iir iis iit ipc ipd ipi ipp ipr ips ipt ipy ir- irc ird iri irp irr irs irt iry is- isc isd isi isp isr iss ist isy itc itd iti itp its itt ity iyc iyr iys iyt iyy p-p pcc pcd pci pcp pcr pcs pct pdc pdd pdi pdp pdr pds pdt pic pid pii pip pir pis pit ppc ppd ppi ppp ppr pps ppt prc prd pri prp prr prs prt pry ps- psc psd psi psp psr pss pst psy pt- ptc ptd pti ptp ptr pts ptt pty py- pyc pyd pyr pys pyt rcc rcd rci rcp rcr rcs rct rdc rdd rdi rdp rdr rds rdt rdy ric rid rii rip rir ris rit riy rpc rpd rpi rpp rpr rps rpt rrc rrd rri rrp rrr rrs rrt rsc rsd rsi rsp rsr rss rst rtc rtd rti rtp rtr rts rtt rty ry- ryc ryd ryr rys ryy scc scd sci scp scr scs sct sdc sdd sdi sdp sdr sds sdt sdy sic sid sii sip sir sis sit spc spd spi spp spr sps spt spy sr- src srd sri srp srr srs srt sry ss- ssc ssd ssi ssp ssr sss sst stc std sti stp str sts stt sty sy- syc syd syi syp syr sys syt tcc tcd tci tcp tcr tcs tct tdc tdd tdi tdp tdr tds tdt tdy tic tid tii tip tir tis tit tiy tpc tpd tpi tpp tpr tps tpt trc trd tri trp trr trs trt try tsc tsd tsi tsp tsr tss tst tsy ttc ttd tti ttp ttr tts ttt tty tyc tyd typ tyr tys tyt ycc ycd yci ycp ycs ycy yds ydt ydy yid yii yip yir yis yit ypd yps yrc yrp yrs yrt ysc ysi ysp ysr yss yst ysy ytc ytd ytp ytr yts ytt yyc yys yyt yyy