-ic c-- ccc cci cco cct ccv ci- cic cii cio cit civ co- coc coi coo cot cov ctc cti cto ctt ctv cvc cvi cvo cvt cvv i-v icc ici ico ict icv iic iii iio iit io- ioc ioi ioo iot iov itc iti ito itt itv ivc ivi ivo ivt ivv o-i oc- occ oci oco oct ocv oic oii oio oit oiv oo- ooc ooi ooo oot oov ot- otc oti oto ott otv ov- ovc ovi ovo ovv tcc tci tco tct tcv tic tii tio tit tiv to- toc toi too tot tov ttc tti tto ttt ttv tvc tvi tvo tvt vcc vci vco vct vi- vic vii vio vit viv voc voi voo vot vov vtc vti vto vtt vtv vvc vvi vvo vvt vvv