-ic c-- ccc cci cco ccs cct ccv ci- cic cii cio cis cit civ co- coc coi coo cos cot cov coy csc csi cso css cst csv csy ctc cti cto cts ctt ctv cty cvc cvi cvo cvs cvt cvv cyc cyo cys cyt i-v icc ici ico ics ict icv icy iic iii iio iis iit io- ioc ioi ioo ios iot iov is- isc isi iso iss ist isv isy itc iti ito its itt itv ity ivc ivi ivo ivs ivt ivv ivy iyc iyo iys iyt iyy o-i oc- occ oci oco ocs oct ocv oic oii oio ois oit oiv oo- ooc ooi ooo oos oot oov os- osc osi oso oss ost osv ot- otc oti oto ots ott otv ov- ovc ovi ovo ovs ovv oyi oyo oys scc sci sco scs sct scv sic sii sio sis sit siv soc soi soo sos sot sov soy ss- ssc ssi sso sss sst ssv stc sti sto sts stt stv sty svc svi svo svs svt svv svy sy- syc syi sys syt tcc tci tco tcs tct tcv tic tii tio tis tit tiv tiy to- toc toi too tos tot tov toy tsc tsi tso tss tst tsv tsy ttc tti tto tts ttt ttv tty tvc tvi tvo tvs tvt tvy tyc tyo tys tyt vcc vci vco vcs vct vcy vi- vic vii vio vis vit viv viy voc voi voo vos vot vov voy vsc vsi vso vss vst vsv vtc vti vto vts vtt vtv vty vvc vvi vvo vvs vvt vvv vyt ycc yci yco ycs ycv ycy yii yio yis yit yoc yoi yoo yos yot yoy ysc ysi yso yss yst ysy ytc yto yts ytt ytv yvi yvo yvy yyc yys yyt yyy