-al -ol a-a a-c aaa aac aag aah aal aao aas ac- aca acc acg ach acl aco acs ag- aga agc agg agh agl ago ags aha ahc ahg ahh ahl aho ahs al- ala alc alg alh all alo als aoa aoc aog aoh aol aoo aos as- asa asc asg ash asl aso ass c-- caa cac cag cah cal cao cas cca ccc ccg cch ccl cco ccs cga cgc cgg cgh cgl cgo cgs ch- cha chc chg chh chl cho chs cl- cla clc clg clh cll clo cls co- coa coc cog coh col coo cos csa csc csg csh csl cso css gaa gac gag gah gal gao gas gca gcc gcg gch gcl gco gcs gga ggc ggg ggh ggo ggs gha ghc ghg ghh ghl gho ghs gla glc glg glh gll glo gls goa goc gog goh gol goo gos gsa gsc gsg gsl gso gss haa hac hag hah hal hao has hca hcc hcg hch hcl hco hcs hga hgc hgg hgh hgl hgo hgs hha hhc hhg hhh hhl hho hhs hla hlc hlg hlh hll hlo hls hoa hoc hog hoh hol hoo hos hsa hsc hsg hsh hsl hss la- laa lac lag lah lal lao las lca lcc lcg lch lcl lco lcs lga lgc lgg lgh lgl lgo lgs lha lhc lhh lho lhs lla llc llg lll llo lls loa loc log loh lol loo los lsa lsc lsg lsh lsl lso lss oaa oac oag oah oal oao oas oc- oca occ ocg och ocl oco ocs oga ogc ogg ogh ogl ogo ogs oha ohc ohg ohh ohl oho ohs ola olc olg oll olo ols oo- ooa ooc oog ooh ool ooo oos os- osa osc osg osh osl oso oss saa sac sag sah sal sao sas sca scc scg sch scl sco scs sga sgc sgg sgh sgl sgo sgs sh- sha shc shg shh shl sho shs sla slc slg slh sll slo sls soa soc sog soh sol soo sos ss- ssa ssc ssg ssh ssl sso sss