-al -ly a-a a-b a-i a-t aaa aab aai aal aat aax aay ab- aba abb abi abl abt abx aby ai- aia aib aii ail ait aix aiy al- ala alb ali all alt alx aly at- ata atb ati atl att atx ax- axa axi axl axt axx ay- aya ayi ayl ayt ayx baa bab bai bal bat bax bay bba bbb bbi bbl bbt bbx bby bi- bia bib bii bil bit bix biy bla blb bli bll blt blx bly bta btb bti btl btt btx bty bxb bxi bxl bxx by- bya byi byl byt ia- iaa iab iai ial iat iba ibb ibi ibl ibt ibx iby iia iib iii iil iit iix il- ila ilb ili ill ilt ilx ily ita itb iti itl itt itx ity ixi ixl ixy iya iyt iyy la- laa lab lai lal lat lax lay lba lbb lbi lbl lbt lbx lia lib lii lil lit lix lla llb lli lll llt lly lta ltb lti ltl ltt ltx lxi lxx lya lyl lyt lyx t-x taa tab tai tal tat tax tay tba tbb tbi tbl tbt tia tib tii til tit tix tiy tla tli tll tlt tlx tta ttb tti ttl ttt ttx tty txi txl txt tya tyl tyt xaa xal xat xbl xbx xia xii xit xix xla xlb xli xlt xti xtx xty xxi xxl xxx xxy xyl xyy yaa yab yai yal yat yax yay ybi ybl yby yii yit yli yll ylt yly yta ytl ytt yxa yxy yyb yyt yyy