a-a a-t aaa aad aaf aam aan aao aat ad- ada add adf adm adn ado adt af- afa afd aff afm afn afo aft ama amd amf amm amn amo amt an- ana and anf anm ann ano ant aoa aod aof aom aon aoo aot at- ata atd atf atm atn ato att daa dad daf dam dan dao dat dda ddd ddf ddm ddn ddo ddt dfa dfd dff dfm dfn dfo dft dma dmd dmf dmm dmn dmo dmt dna dnd dnf dnm dnn dno dnt doa dod dof dom don doo dot dta dtd dtf dtm dtn dto dtt faa fad faf fam fan fao fat fda fdd fdf fdm fdn fdo fdt ffa ffd fff ffm ffn ffo fft fma fmd fmf fmm fmn fmo fmt fna fnd fnf fnm fnn fnt foa fof fom fon foo fot fta ftd ftf ftm ftn fto ftt m-f m-o maa mad maf mam man mao mat mda mdd mdf mdm mdn mdo mdt mfa mfd mff mfm mfn mfo mft mma mmd mmf mmm mmn mmo mmt mna mnf mnm mnn mno mnt moa mod mof mom mon moo mot mta mtd mtf mtm mtn mto mtt naa nad naf nam nan nao nat nda ndd ndf ndm ndn ndo ndt nfa nfd nff nfn nfo nft nma nmd nmm nmn nmo nmt nna nnf nnm nnn nno nnt no- noa nod nof nom non noo not nta ntd ntf ntm ntn nto ntt oaa oad oaf oam oan oao oat oda odd odf odm odn odo odt of- ofa ofd off ofm ofn ofo oft om- oma omd omf omm omn omo omt on- ona ond onf onn ono ont oo- ooa ood oof oom oon ooo oot ot- ota otd otf otm otn oto ott taa tad taf tam tan tao tat tda tdd tdf tdm tdn tdo tdt tfa tfd tff tfm tfn tfo tft tma tmd tmf tmm tmn tmo tmt tna tnd tnf tnm tnn tno tnt to- toa tod tof tom ton too tot tta ttd ttf ttm ttn tto ttt