-ic c-- ccc cci cco ccr cct ccv ci- cic cii cio cir cit civ co- coc coi coo cor cot cov coy crc cri cro crr crt crv cry ctc cti cto ctr ctt ctv cty cvc cvi cvo cvr cvt cvv cyc cyo cyr cyt i-v icc ici ico icr ict icv icy iic iii iio iir iit io- ioc ioi ioo ior iot iov ir- irc iri iro irr irt irv iry itc iti ito itt itv ity ivc ivi ivo ivr ivt ivv ivy iyc iyo iyr iyt iyy o-i oc- occ oci oco ocr oct ocv oic oii oio oir oit oiv oo- ooc ooi ooo oor oot oov or- orc ori oro orr ort orv ory ot- otc oti oto otr ott otv ov- ovc ovi ovo ovv oyi oyo rcc rci rco rcr rct rcv ric rii rio rir rit riv riy roc roi roo ror rot rov roy rrc rri rrr rrt rtc rti rto rtr rtt rtv rty rvc rvi rvo rvr rvt rvv rvy ry- ryc ryo ryr ryy tcc tci tco tcr tct tcv tic tii tio tir tit tiv tiy to- toc toi too tor tot tov toy trc tri tro trr trt trv try ttc tti tto ttr ttt ttv tty tvc tvi tvo tvr tvt tvy tyc tyo tyr tyt vcc vci vco vcr vct vcy vi- vic vii vio vir vit viv viy voc voi voo vor vot vov voy vrc vri vrr vrt vry vtc vti vto vtr vtt vtv vty vvc vvi vvo vvr vvt vvv vyt ycc yci yco ycv ycy yii yio yir yit yoc yoi yoo yor yot yoy yrc yro yrt ytc yto ytr ytt ytv yvi yvo yvr yvy yyc yyt yyy