-al a-a a-b a-i a-t aaa aab aag aai aak aal aat ab- aba abb abg abi abk abl abt ag- aga agb agg agi agk agl agt ai- aia aib aig aii aik ail ait aka akb akg aki akk akl al- ala alb alg ali alk all alt at- ata atb atg ati atl att baa bab bag bai bak bal bat bba bbb bbg bbi bbk bbl bbt bga bgb bgg bgi bgk bgl bgt bi- bia bib big bii bik bil bit bka bkb bkg bkk bkl bkt bla blb blg bli blk bll blt bta btb btg bti btk btl btt gaa gab gag gai gak gal gat gba gbg gbi gbk gbl gbt gga ggb ggg ggi ggt gia gib gig gii gik gil git gka gkb gkt gla glb glg gli glk gll glt gta gtb gtg gti gtk gtl gtt ia- iaa iab iag iai ial iat iba ibb ibg ibi ibk ibl ibt iga igb igg igi igk igl igt iia iib iii iil iit ika ikb iki ikk ikl ikt il- ila ilb ilg ili ilk ill ilt ita itb itg iti itk itl itt k-t ka- kaa kab kag kai kak kal kat kba kbb kbi kbk kbl kga kgb kgi kgl kia kib kig kii kik kil kit kkb kki kkk kkl kkt kl- kla klb klg kli klt kta ktb ktg ktk ktl ktt la- laa lab lag lai lak lal lat lba lbb lbg lbi lbk lbl lbt lga lgb lgg lgi lgk lgl lgt lia lib lig lii lik lil lit lka lkb lkg lkl lkt lla llb llg lli llk lll llt lta ltb ltg lti ltk ltl ltt taa tab tag tai tak tal tat tba tbb tbg tbi tbk tbl tbt tga tgb tgg tgi tgk tgl tgt tia tib tig tii tik til tit tka tkb tkg tkk tkl tkt tla tlg tli tlk tll tlt tta ttb ttg tti ttk ttl ttt