-ic c-- ccc ccg cci cco cct cgc cgg cgi cgo cgt ci- cic cig cii cio cit co- coc cog coi coo cot ctc ctg cti cto ctt gcc gcg gci gco gct ggc ggg ggi ggo ggt gic gig gii gio git goc gog goi goo got gtc gtg gti gto gtt icc icg ici ico ict igc igg igi igo igt iic iii iio iit io- ioc iog ioi ioo iot itc itg iti ito itt o-i oc- occ ocg oci oco oct ogc ogg ogi ogo ogt oic oii oio oit oo- ooc oog ooi ooo oot ot- otc otg oti oto ott tcc tcg tci tco tct tgc tgg tgi tgo tgt tic tig tii tio tit to- toc tog toi too tot ttc ttg tti tto ttt