-al -ol a-a a-c aaa aac aag aah aal aao ac- aca acc acg ach acl aco ag- aga agc agg agh agl ago aha ahc ahg ahh ahl aho al- ala alc alg alh all alo aoa aoc aog aoh aol aoo c-- caa cac cag cah cal cao cca ccc ccg cch ccl cco cga cgc cgg cgh cgl cgo ch- cha chc chg chh chl cho cl- cla clc clg clh cll clo co- coa coc cog coh col coo gaa gac gag gah gal gao gca gcc gcg gch gcl gco gga ggc ggg ggh ggo gha ghc ghg ghh ghl gho gla glc glg glh gll glo goa goc gog goh gol goo haa hac hag hah hal hao hca hcc hcg hch hcl hco hga hgc hgg hgh hgl hgo hha hhc hhg hhh hhl hho hla hlc hlg hlh hll hlo hoa hoc hog hoh hol hoo la- laa lac lag lah lal lao lca lcc lcg lch lcl lco lga lgc lgg lgh lgl lgo lha lhc lhh lho lla llc llg lll llo loa loc log loh lol loo oaa oac oag oah oal oao oc- oca occ ocg och ocl oco oga ogc ogg ogh ogl ogo oha ohc ohg ohh ohl oho ola olc olg oll olo oo- ooa ooc oog ooh ool ooo