a-a a-t aaa aad aaf aag aan aao aar aat ad- ada add adf adg adn ado adr adt af- afa afd aff afg afn afo afr aft ag- aga agd agf agg agn ago agr agt an- ana and anf ang ann ano anr ant aoa aod aof aog aon aoo aor aot ar- ara ard arf arg arn aro arr art at- ata atd atf atg atn ato atr att daa dad daf dag dan dao dar dat dda ddd ddf ddg ddn ddo ddr ddt dfa dfd dff dfg dfn dfo dfr dft dga dgd dgf dgg dgn dgr dgt dna dnd dnf dng dnn dno dnr dnt doa dod dof dog don doo dor dot dra drd drg drn dro drr drt dta dtd dtf dtg dtn dto dtr dtt faa fad faf fag fan fao far fat fda fdd fdf fdg fdn fdo fdr fdt ffa ffd fff ffg ffn ffo ffr fft fga fgd fgf fgg fgn fgr fgt fna fnd fnf fng fnn fnr fnt foa fof fog fon foo for fot fra frd frf frg frn fro frr frt fta ftd ftf ftg ftn fto ftr ftt g-d gaa gad gaf gag gan gao gar gat gda gdd gdf gdn gdo gdr gdt gfa gfd gff gfo gfr gft gga ggd ggg ggn ggo ggr ggt gna gnd gnf gnn gno gnr gnt goa god gof gog gon goo gor got gra grd grf grg grn gro grr grt gta gtd gtf gtg gtn gto gtr gtt naa nad naf nag nan nao nar nat nda ndd ndf ndg ndn ndo ndr ndt nfa nfd nff nfn nfo nfr nft nga ngd ngf ngg ngn ngo ngt nna nnf nng nnn nno nnt no- noa nod nof nog non noo nor not nra nrd nrf nrg nrn nro nrr nrt nta ntd ntf ntg ntn nto ntr ntt oaa oad oaf oag oan oao oar oat oda odd odf odg odn odo odr odt of- ofa ofd off ofg ofn ofo ofr oft oga ogd ogf ogg ogn ogo ogt on- ona ond onf ong onn ono onr ont oo- ooa ood oof oog oon ooo oor oot or- ora ord orf org orn oro orr ort ot- ota otd otf otg otn oto otr ott ra- raa rad raf rag ran rao rar rat rda rdd rdf rdg rdn rdo rdr rdt rfa rfd rff rfg rfn rfo rfr rft rga rgd rgf rgg rgn rgo rgr rgt rna rnd rng rnn rno rnr rnt roa rod rof rog ron roo ror rot rra rrd rrf rrg rrn rrr rrt rta rtd rtf rtg rtn rto rtr rtt taa tad taf tag tan tao tar tat tda tdd tdf tdg tdn tdo tdr tdt tfa tfd tff tfg tfn tfo tfr tft tga tgf tgg tgn tgo tgr tgt tna tnd tnf tng tnn tno tnr tnt to- toa tod tof tog ton too tor tot tra trd trf trg trn tro trr trt tta ttd ttf ttg ttn tto ttr ttt