-ic c-- ccc ccd cci ccs cct ccv cdc cdd cdi cds cdt cdv cdy ci- cic cid cii cis cit civ csc csd csi css cst csv csy ctc ctd cti cts ctt ctv cty cvc cvd cvi cvs cvt cvv cyc cyd cys cyt dcc dcd dci dcs dct dcv ddc ddd ddi dds ddt ddy di- dic did dii dis dit div diy dsc dsd dsi dss dst dsv dsy dtc dtd dti dts dtt dtv dty dvc dvd dvi dvs dvt dy- dyc dyd dys dyy i-d i-v icc icd ici ics ict icv icy idc idd idi ids idt idv idy iic iid iii iis iit is- isc isd isi iss ist isv isy itc itd iti its itt itv ity ivc ivd ivi ivs ivt ivv ivy iyc iys iyt iyy scc scd sci scs sct scv sdc sdd sdi sds sdt sdv sdy sic sid sii sis sit siv ss- ssc ssd ssi sss sst ssv stc std sti sts stt stv sty svc svd svi svs svt svv svy sy- syc syd syi sys syt tcc tcd tci tcs tct tcv tdc tdd tdi tds tdt tdv tdy tic tid tii tis tit tiv tiy tsc tsd tsi tss tst tsv tsy ttc ttd tti tts ttt ttv tty tvc tvd tvi tvs tvt tvy tyc tyd tys tyt vcc vcd vci vcs vct vcy vdc vdd vdi vds vdt vdv vi- vic vid vii vis vit viv viy vsc vsd vsi vss vst vsv vtc vti vts vtt vtv vty vvc vvi vvs vvt vvv vyd vyt ycc ycd yci ycs ycv ycy yds ydt ydy yid yii yis yit ysc ysi yss yst ysy ytc ytd yts ytt ytv yvi yvy yyc yys yyt yyy