a-a a-c aaa aac aag aah aak aan aao aas ac- aca acc acg ach ack acn aco acs ag- aga agc agg agh agk agn ago ags aha ahc ahg ahh ahk ahn aho ahs aka akc akg akh akk akn ako aks an- ana anc ang anh ank ann ano ans aoa aoc aog aoh aok aon aoo aos as- asa asc asg ash ask asn aso ass c-- caa cac cag cah cak can cao cas cca ccc ccg cch cck ccn cco ccs cga cgc cgg cgh cgn cgo cgs ch- cha chc chg chh chk chn cho chs cka ckc ckh cko cks cn- cna cnc cng cnh cnn cno cns co- coa coc cog coh cok con coo cos csa csc csg csh csk csn cso css gaa gac gag gah gak gan gao gas gca gcc gcg gch gck gcn gco gcs gga ggc ggg ggh ggn ggo ggs gha ghc ghg ghh ghn gho ghs gka gkh gkn gko gks gna gnc gnn gno gns goa goc gog goh gok gon goo gos gsa gsc gsg gsk gsn gso gss haa hac hag hah hak han hao has hca hcc hcg hch hck hcn hco hcs hga hgc hgg hgh hgk hgn hgo hgs hha hhc hhg hhh hhk hhn hho hhs hka hkg hkh hkk hkn hko hks hna hnc hng hnh hnk hnn hno hns hoa hoc hog hoh hok hon hoo hos hsa hsc hsg hsh hsk hsn hss ka- kaa kac kag kah kak kan kao kas kca kcc kcg kch kck kcn kcs kga kgc kgh kgo kgs kha khh khk khn kho khs kkc kkh kkk kkn kks kn- kna knc kng knk knn kno koa koc kog koh kok kon koo kos ksa ksc ksg ksh ksk ksn kso kss naa nac nag nah nak nan nao nas nca ncc ncg nch nck ncn nco ncs nga ngc ngg ngh ngk ngn ngo ngs nha nhc nhg nhh nhk nhn nhs nka nkc nkk nkn nko nks nna nnc nng nnh nnk nnn nno nns no- noa noc nog noh nok non noo nos nsa nsc nsg nsh nsk nsn nso nss oaa oac oag oah oak oan oao oas oc- oca occ ocg och ock ocn oco ocs oga ogc ogg ogh ogn ogo ogs oha ohc ohg ohh ohn oho ohs oka okc okg okk oko oks on- ona onc ong onh onk onn ono ons oo- ooa ooc oog ooh ook oon ooo oos os- osa osc osg osh osk osn oso oss saa sac sag sah sak san sao sas sca scc scg sch sck scn sco scs sga sgc sgg sgh sgk sgn sgo sgs sh- sha shc shg shh shk shn sho shs sk- ska skc skg skh skk sko sks sna snc sng snk snn sno sns soa soc sog soh sok son soo sos ss- ssa ssc ssg ssh ssk ssn sso sss