a-a a-c aaa aac aag aah aan aao aas ac- aca acc acg ach acn aco acs ag- aga agc agg agh agn ago ags aha ahc ahg ahh ahn aho ahs an- ana anc ang anh ann ano ans aoa aoc aog aoh aon aoo aos as- asa asc asg ash asn aso ass c-- caa cac cag cah can cao cas cca ccc ccg cch ccn cco ccs cga cgc cgg cgh cgn cgo cgs ch- cha chc chg chh chn cho chs cn- cna cnc cng cnh cnn cno cns co- coa coc cog coh con coo cos csa csc csg csh csn cso css gaa gac gag gah gan gao gas gca gcc gcg gch gcn gco gcs gga ggc ggg ggh ggn ggo ggs gha ghc ghg ghh ghn gho ghs gna gnc gnn gno gns goa goc gog goh gon goo gos gsa gsc gsg gsn gso gss haa hac hag hah han hao has hca hcc hcg hch hcn hco hcs hga hgc hgg hgh hgn hgo hgs hha hhc hhg hhh hhn hho hhs hna hnc hng hnh hnn hno hns hoa hoc hog hoh hon hoo hos hsa hsc hsg hsh hsn hss naa nac nag nah nan nao nas nca ncc ncg nch ncn nco ncs nga ngc ngg ngh ngn ngo ngs nha nhc nhg nhh nhn nhs nna nnc nng nnh nnn nno nns no- noa noc nog noh non noo nos nsa nsc nsg nsh nsn nso nss oaa oac oag oah oan oao oas oc- oca occ ocg och ocn oco ocs oga ogc ogg ogh ogn ogo ogs oha ohc ohg ohh ohn oho ohs on- ona onc ong onh onn ono ons oo- ooa ooc oog ooh oon ooo oos os- osa osc osg osh osn oso oss saa sac sag sah san sao sas sca scc scg sch scn sco scs sga sgc sgg sgh sgn sgo sgs sh- sha shc shg shh shn sho shs sna snc sng snn sno sns soa soc sog soh son soo sos ss- ssa ssc ssg ssh ssn sso sss