a-a aaa aad aaf aag aan aao aar ad- ada add adf adg adn ado adr af- afa afd aff afg afn afo afr ag- aga agd agf agg agn ago agr an- ana and anf ang ann ano anr aoa aod aof aog aon aoo aor ar- ara ard arf arg arn aro arr daa dad daf dag dan dao dar dda ddd ddf ddg ddn ddo ddr dfa dfd dff dfg dfn dfo dfr dga dgd dgf dgg dgn dgr dna dnd dnf dng dnn dno dnr doa dod dof dog don doo dor dra drd drg drn dro drr faa fad faf fag fan fao far fda fdd fdf fdg fdn fdo fdr ffa ffd fff ffg ffn ffo ffr fga fgd fgf fgg fgn fgr fna fnd fnf fng fnn fnr foa fof fog fon foo for fra frd frf frg frn fro frr g-d gaa gad gaf gag gan gao gar gda gdd gdf gdn gdo gdr gfa gfd gff gfo gfr gga ggd ggg ggn ggo ggr gna gnd gnf gnn gno gnr goa god gof gog gon goo gor gra grd grf grg grn gro grr naa nad naf nag nan nao nar nda ndd ndf ndg ndn ndo ndr nfa nfd nff nfn nfo nfr nga ngd ngf ngg ngn ngo nna nnf nng nnn nno no- noa nod nof nog non noo nor nra nrd nrf nrg nrn nro nrr oaa oad oaf oag oan oao oar oda odd odf odg odn odo odr of- ofa ofd off ofg ofn ofo ofr oga ogd ogf ogg ogn ogo on- ona ond onf ong onn ono onr oo- ooa ood oof oog oon ooo oor or- ora ord orf org orn oro orr ra- raa rad raf rag ran rao rar rda rdd rdf rdg rdn rdo rdr rfa rfd rff rfg rfn rfo rfr rga rgd rgf rgg rgn rgo rgr rna rnd rng rnn rno rnr roa rod rof rog ron roo ror rra rrd rrf rrg rrn rrr