a-a a-c aaa aac aag aah aao aar ac- aca acc acg ach aco acr ag- aga agc agg agh ago agr aha ahc ahg ahh aho ahr aoa aoc aog aoh aoo aor ar- ara arc arg arh aro arr c-- caa cac cag cah cao car cca ccc ccg cch cco ccr cga cgc cgg cgh cgo cgr ch- cha chc chg chh cho chr co- coa coc cog coh coo cor cra crc crg crh cro crr gaa gac gag gah gao gar gca gcc gcg gch gco gcr gga ggc ggg ggh ggo ggr gha ghc ghg ghh gho ghr goa goc gog goh goo gor gra grc grg grh gro grr haa hac hag hah hao har hca hcc hcg hch hco hcr hga hgc hgg hgh hgo hgr hha hhc hhg hhh hho hhr hoa hoc hog hoh hoo hor hr- hra hrc hrg hrh hro hrr oaa oac oag oah oao oar oc- oca occ ocg och oco ocr oga ogc ogg ogh ogo oha ohc ohg ohh oho ohr oo- ooa ooc oog ooh ooo oor or- ora orc org orh oro orr ra- raa rac rag rah rao rar rca rcc rcg rch rco rcr rga rgc rgg rgh rgo rgr rh- rha rhc rhg rhh rho rhr roa roc rog roh roo ror rra rrc rrg rrh rrr