a-a a-i a-t aaa aad aaf aag aai aat ad- ada add adf adg adi adt af- afa afd aff afg afi aft ag- aga agd agf agg agi agt ai- aia aid aif aig aii ait at- ata atd atf atg ati att daa dad daf dag dai dat dda ddd ddf ddg ddi ddt dfa dfd dff dfg dfi dft dga dgd dgf dgg dgi dgt di- dia did dif dig dii dit dta dtd dtf dtg dti dtt faa fad faf fag fai fat fda fdd fdf fdg fdi fdt ffa ffd fff ffg ffi fft fga fgd fgf fgg fgi fgt fia fid fif fig fii fit fta ftd ftf ftg fti ftt g-d gaa gad gaf gag gai gat gda gdd gdf gdi gdt gfa gfd gff gfi gft gga ggd ggg ggi ggt gia gid gif gig gii git gta gtd gtf gtg gti gtt i-d i-f ia- iaa iad iaf iag iai iat ida idd idf idg idi idt ifa ifd iff ifg ifi ift iga igd igf igg igi igt iia iid iif iii iit ita itd itf itg iti itt taa tad taf tag tai tat tda tdd tdf tdg tdi tdt tfa tfd tff tfg tfi tft tga tgf tgg tgi tgt tia tid tif tig tii tit tta ttd ttf ttg tti ttt