a-a a-c aaa aac aag aah aar aas ac- aca acc acg ach acr acs ag- aga agc agg agh agr ags aha ahc ahg ahh ahr ahs ar- ara arc arg arh arr ars as- asa asc asg ash asr ass c-- caa cac cag cah car cas cca ccc ccg cch ccr ccs cga cgc cgg cgh cgr cgs ch- cha chc chg chh chr chs cra crc crg crh crr crs csa csc csg csh csr css gaa gac gag gah gar gas gca gcc gcg gch gcr gcs gga ggc ggg ggh ggr ggs gha ghc ghg ghh ghr ghs gra grc grg grh grr grs gsa gsc gsg gsr gss haa hac hag hah har has hca hcc hcg hch hcr hcs hga hgc hgg hgh hgr hgs hha hhc hhg hhh hhr hhs hr- hra hrc hrg hrh hrr hrs hsa hsc hsg hsh hsr hss ra- raa rac rag rah rar ras rca rcc rcg rch rcr rcs rga rgc rgg rgh rgr rgs rh- rha rhc rhg rhh rhr rhs rra rrc rrg rrh rrr rrs rsa rsc rsg rsh rsr rss saa sac sag sah sar sas sca scc scg sch scr scs sga sgc sgg sgh sgr sgs sh- sha shc shg shh shr shs sr- sra src srg srh srr srs ss- ssa ssc ssg ssh ssr sss