-al -ol a-a a-c aaa aac aag aah aal aao aar ac- aca acc acg ach acl aco acr ag- aga agc agg agh agl ago agr aha ahc ahg ahh ahl aho ahr al- ala alc alg alh all alo alr aoa aoc aog aoh aol aoo aor ar- ara arc arg arh arl aro arr c-- caa cac cag cah cal cao car cca ccc ccg cch ccl cco ccr cga cgc cgg cgh cgl cgo cgr ch- cha chc chg chh chl cho chr cl- cla clc clg clh cll clo clr co- coa coc cog coh col coo cor cra crc crg crh crl cro crr gaa gac gag gah gal gao gar gca gcc gcg gch gcl gco gcr gga ggc ggg ggh ggo ggr gha ghc ghg ghh ghl gho ghr gla glc glg glh gll glo glr goa goc gog goh gol goo gor gra grc grg grh grl gro grr haa hac hag hah hal hao har hca hcc hcg hch hcl hco hcr hga hgc hgg hgh hgl hgo hgr hha hhc hhg hhh hhl hho hhr hla hlc hlg hlh hll hlo hlr hoa hoc hog hoh hol hoo hor hr- hra hrc hrg hrh hrl hro hrr la- laa lac lag lah lal lao lar lca lcc lcg lch lcl lco lcr lga lgc lgg lgh lgl lgo lgr lha lhc lhh lho lhr lla llc llg lll llo llr loa loc log loh lol loo lor lra lrc lrg lrh lro lrr oaa oac oag oah oal oao oar oc- oca occ ocg och ocl oco ocr oga ogc ogg ogh ogl ogo oha ohc ohg ohh ohl oho ohr ola olc olg oll olo oo- ooa ooc oog ooh ool ooo oor or- ora orc org orh orl oro orr ra- raa rac rag rah ral rao rar rca rcc rcg rch rcl rco rcr rga rgc rgg rgh rgo rgr rh- rha rhc rhg rhh rhl rho rhr rla rlc rlg rlh rll rlo rlr roa roc rog roh rol roo ror rra rrc rrg rrh rrl rrr