a-a a-b a-i a-t aaa aab aad aag aai aak aat ab- aba abb abd abg abi abk abt ad- ada adb add adg adi adk adt ag- aga agb agd agg agi agk agt ai- aia aib aid aig aii aik ait aka akb akd akg aki akk at- ata atb atd atg ati att baa bab bad bag bai bak bat bba bbb bbd bbg bbi bbk bbt bda bdb bdd bdg bdi bdk bdt bga bgb bgd bgg bgi bgk bgt bi- bia bib bid big bii bik bit bka bkb bkg bkk bkt bta btb btd btg bti btk btt daa dab dad dag dai dak dat dba dbb dbd dbg dbi dbk dbt dda ddb ddd ddg ddi ddk ddt dga dgd dgg dgi dgk dgt di- dia dib did dig dii dik dit dka dkb dkg dki dkk dkt dta dtb dtd dtg dti dtk dtt g-d gaa gab gad gag gai gak gat gba gbd gbg gbi gbk gbt gda gdb gdd gdi gdk gdt gga ggb ggd ggg ggi ggt gia gib gid gig gii gik git gka gkb gkd gkt gta gtb gtd gtg gti gtk gtt i-d ia- iaa iab iad iag iai iat iba ibb ibd ibg ibi ibk ibt ida idb idd idg idi idk idt iga igb igd igg igi igk igt iia iib iid iii iit ika ikb iki ikk ikt ita itb itd itg iti itk itt k-t ka- kaa kab kad kag kai kak kat kba kbb kbd kbi kbk kda kdb kdg kdk kdt kga kgb kgd kgi kia kib kid kig kii kik kit kkb kki kkk kkt kta ktb ktg ktk ktt taa tab tad tag tai tak tat tba tbb tbd tbg tbi tbk tbt tda tdb tdd tdg tdi tdk tdt tga tgb tgg tgi tgk tgt tia tib tid tig tii tik tit tka tkb tkg tkk tkt tta ttb ttd ttg tti ttk ttt