-th c-- ccc ccg cch cco cct cgc cgg cgh cgo cgt ch- chc chg chh cho cht co- coc cog coh coo cot ctc ctg cth cto ctt gcc gcg gch gco gct ggc ggg ggh ggo ggt ghc ghg ghh gho ght goc gog goh goo got gtc gtg gth gto gtt hcc hcg hch hco hct hgc hgg hgh hgo hgt hhc hhg hhh hho hht hoc hog hoh hoo hot htc htg hth hto htt oc- occ ocg och oco oct ogc ogg ogh ogo ogt ohc ohg ohh oho oht oo- ooc oog ooh ooo oot ot- otc otg oth oto ott tcc tcg tch tco tct tgc tgg tgh tgo tgt th- thc thg thh tho tht to- toc tog toh too tot ttc ttg tth tto ttt