-ic c-- ccc cci cck cco cct ccv ci- cic cii cik cio cit civ ckc cki cko ckt co- coc coi cok coo cot cov ctc cti ctk cto ctt ctv cvc cvi cvk cvo cvt cvv i-v icc ici ick ico ict icv iic iii iio iit ikc iki ikk iko ikt ikv io- ioc ioi ioo iot iov itc iti itk ito itt itv ivc ivi ivo ivt ivv k-t kcc kci kck kct kic kii kik kio kit kiv kkc kki kkk kkt kkv koc koi kok koo kot ktc ktk kto ktt ktv kvi kvk kvo kvv o-i oc- occ oci ock oco oct ocv oic oii oik oio oit oiv okc oki okk oko oo- ooc ooi ook ooo oot oov ot- otc oti otk oto ott otv ov- ovc ovi ovo ovv tcc tci tck tco tct tcv tic tii tik tio tit tiv tkc tkk tko tkt to- toc toi tok too tot tov ttc tti ttk tto ttt ttv tvc tvi tvk tvo tvt vcc vci vco vct vi- vic vii vik vio vit viv vkt voc voi vok voo vot vov vtc vti vtk vto vtt vtv vvc vvi vvo vvt vvv