-ic c-- ccc ccd cci cco ccs cct cdc cdd cdi cdo cds cdt cdy ci- cic cid cii cio cis cit co- coc cod coi coo cos cot coy csc csd csi cso css cst csy ctc ctd cti cto cts ctt cty cyc cyd cyo cys cyt dcc dcd dci dco dcs dct ddc ddd ddi ddo dds ddt ddy di- dic did dii dio dis dit diy doc dod doi doo dos dot doy dsc dsd dsi dso dss dst dsy dtc dtd dti dto dts dtt dty dy- dyc dyd dyo dys dyy i-d icc icd ici ico ics ict icy idc idd idi ido ids idt idy iic iid iii iio iis iit io- ioc iod ioi ioo ios iot is- isc isd isi iso iss ist isy itc itd iti ito its itt ity iyc iyo iys iyt iyy o-i oc- occ ocd oci oco ocs oct odc odd odi odo ods odt oic oid oii oio ois oit oo- ooc ood ooi ooo oos oot os- osc osd osi oso oss ost ot- otc otd oti oto ots ott oyd oyi oyo oys scc scd sci sco scs sct sdc sdd sdi sdo sds sdt sdy sic sid sii sio sis sit soc sod soi soo sos sot soy ss- ssc ssd ssi sso sss sst stc std sti sto sts stt sty sy- syc syd syi sys syt tcc tcd tci tco tcs tct tdc tdd tdi tdo tds tdt tdy tic tid tii tio tis tit tiy to- toc tod toi too tos tot toy tsc tsd tsi tso tss tst tsy ttc ttd tti tto tts ttt tty tyc tyd tyo tys tyt ycc ycd yci yco ycs ycy ydo yds ydt ydy yid yii yio yis yit yoc yod yoi yoo yos yot yoy ysc ysi yso yss yst ysy ytc ytd yto yts ytt yyc yys yyt yyy