a-a aaa aad aaf aag aak aan aao aar ad- ada add adf adg adk adn ado adr af- afa afd aff afg afk afn afo afr ag- aga agd agf agg agk agn ago agr aka akd akg akk akn ako akr an- ana and anf ang ank ann ano anr aoa aod aof aog aok aon aoo aor ar- ara ard arf arg ark arn aro arr daa dad daf dag dak dan dao dar dda ddd ddf ddg ddk ddn ddo ddr dfa dfd dff dfg dfk dfn dfo dfr dga dgd dgf dgg dgk dgn dgr dka dkg dkk dko dkr dna dnd dnf dng dnk dnn dno dnr doa dod dof dog dok don doo dor dra drd drg drk drn dro drr faa fad faf fag fak fan fao far fda fdd fdf fdg fdk fdn fdo fdr ffa ffd fff ffg ffk ffn ffo ffr fga fgd fgf fgg fgn fgr fka fkf fkg fkk fna fnd fnf fng fnk fnn fnr foa fof fog fok fon foo for fra frd frf frg frk frn fro frr g-d gaa gad gaf gag gak gan gao gar gda gdd gdf gdk gdn gdo gdr gfa gfd gff gfk gfo gfr gga ggd ggg ggn ggo ggr gka gkd gkn gko gna gnd gnf gnn gno gnr goa god gof gog gok gon goo gor gra grd grf grg grk grn gro grr ka- kaa kad kaf kag kak kan kao kar kda kdf kdg kdk kdo kdr kfa kfd kff kfg kfo kga kgd kgf kgo kkk kkn kkr kn- kna knd knf kng knk knn kno knr koa kod kof kog kok kon koo kor kra krd krf krg krk krn kro krr naa nad naf nag nak nan nao nar nda ndd ndf ndg ndk ndn ndo ndr nfa nfd nff nfk nfn nfo nfr nga ngd ngf ngg ngk ngn ngo nka nkf nkk nkn nko nkr nna nnf nng nnk nnn nno no- noa nod nof nog nok non noo nor nra nrd nrf nrg nrk nrn nro nrr oaa oad oaf oag oak oan oao oar oda odd odf odg odn odo odr of- ofa ofd off ofg ofn ofo ofr oga ogd ogf ogg ogn ogo oka okd okg okk oko okr on- ona ond onf ong onk onn ono onr oo- ooa ood oof oog ook oon ooo oor or- ora ord orf org ork orn oro orr ra- raa rad raf rag rak ran rao rar rda rdd rdf rdg rdn rdo rdr rfa rfd rff rfg rfk rfn rfo rfr rga rgd rgf rgg rgk rgn rgo rgr rkf rkg rkk rko rna rnd rng rnn rno rnr roa rod rof rog rok ron roo ror rra rrd rrf rrg rrk rrn rrr