a-a aaa aad aaf aag aak aan aao aar aas ad- ada add adf adg adk adn ado adr ads af- afa afd aff afg afk afn afo afr afs ag- aga agd agf agg agk agn ago agr ags aka akd akg akk akn ako akr aks an- ana and anf ang ank ann ano anr ans aoa aod aof aog aok aon aoo aor aos ar- ara ard arf arg ark arn aro arr ars as- asa asd asf asg ask asn aso asr ass daa dad daf dag dak dan dao dar das dda ddd ddf ddg ddk ddn ddo ddr dds dfa dfd dff dfg dfk dfn dfo dfr dfs dga dgd dgf dgg dgk dgn dgr dgs dka dkg dkk dko dkr dks dna dnd dnf dng dnk dnn dno dnr dns doa dod dof dog dok don doo dor dos dra drd drg drk drn dro drr drs dsa dsd dsf dsg dsk dsn dso dsr dss faa fad faf fag fak fan fao far fas fda fdd fdf fdg fdk fdn fdo fdr fds ffa ffd fff ffg ffk ffn ffo ffr ffs fga fgd fgf fgg fgn fgr fgs fka fkf fkg fkk fna fnd fnf fng fnk fnn fnr fns foa fof fog fok fon foo for fos fra frd frf frg frk frn fro frr frs fsa fsd fsf fsg fsk fsn fso fsr fss g-d gaa gad gaf gag gak gan gao gar gas gda gdd gdf gdk gdn gdo gdr gds gfa gfd gff gfk gfo gfr gfs gga ggd ggg ggn ggo ggr ggs gka gkd gkn gko gks gna gnd gnf gnn gno gnr gns goa god gof gog gok gon goo gor gos gra grd grf grg grk grn gro grr grs gsa gsd gsf gsg gsk gsn gso gsr gss ka- kaa kad kaf kag kak kan kao kar kas kda kdf kdg kdk kdo kdr kds kfa kfd kff kfg kfo kfs kga kgd kgf kgo kgs kkk kkn kkr kks kn- kna knd knf kng knk knn kno knr koa kod kof kog kok kon koo kor kos kra krd krf krg krk krn kro krr krs ksa ksd ksf ksg ksk ksn kso ksr kss naa nad naf nag nak nan nao nar nas nda ndd ndf ndg ndk ndn ndo ndr nds nfa nfd nff nfk nfn nfo nfr nfs nga ngd ngf ngg ngk ngn ngo ngs nka nkf nkk nkn nko nkr nks nna nnf nng nnk nnn nno nns no- noa nod nof nog nok non noo nor nos nra nrd nrf nrg nrk nrn nro nrr nrs nsa nsd nsf nsg nsk nsn nso nsr nss oaa oad oaf oag oak oan oao oar oas oda odd odf odg odn odo odr ods of- ofa ofd off ofg ofn ofo ofr ofs oga ogd ogf ogg ogn ogo ogs oka okd okg okk oko okr oks on- ona ond onf ong onk onn ono onr ons oo- ooa ood oof oog ook oon ooo oor oos or- ora ord orf org ork orn oro orr ors os- osa osd osf osg osk osn oso osr oss ra- raa rad raf rag rak ran rao rar ras rda rdd rdf rdg rdn rdo rdr rds rfa rfd rff rfg rfk rfn rfo rfr rfs rga rgd rgf rgg rgk rgn rgo rgr rgs rkf rkg rkk rko rks rna rnd rng rnn rno rnr rns roa rod rof rog rok ron roo ror ros rra rrd rrf rrg rrk rrn rrr rrs rsa rsd rsf rsg rsk rsn rso rsr rss saa sad saf sag sak san sao sar sas sda sdd sdf sdg sdk sdn sdo sdr sds sfa sfd sff sfg sfk sfn sfo sfr sfs sga sgd sgf sgg sgk sgn sgo sgr sgs sk- ska skd skf skg skk sko skr sks sna snd snf sng snk snn sno snr sns soa sod sof sog sok son soo sor sos sr- sra srd srf srg srk srn sro srr srs ss- ssa ssd ssf ssg ssk ssn sso ssr sss