-al a-a a-b a-t a-z aaa aab aae aak aal aat aaz ab- aba abb abe abk abl abt abz aea aeb aee aek ael aet aez aka akb ake akk akl al- ala alb ale alk all alt alz at- ata atb ate atl att atz az- aza azb aze azt azz baa bab bae bak bal bat baz bba bbb bbe bbk bbl bbt be- bea beb bee bek bel bet bez bka bkb bke bkk bkl bkt bla blb ble blk bll blt blz bta btb bte btk btl btt btz bza bze bzz eaa eab eae eak eal eat eaz eba ebb ebe ebk ebl ebt eea eeb eee eek eel eet eka ekb eke ekl ekt ela elb ele elk ell elt elz eta etb ete etk etl ett etz eze ezz k-t k-z ka- kaa kab kae kak kal kat kaz kba kbb kbe kbk kbl kbz ke- kea keb kee kek kel ket kez kkb kke kkk kkl kkt kl- kla klb klt klz kta ktb kte ktk ktl ktt la- laa lab lae lak lal lat laz lba lbb lbe lbk lbl lbt lea leb lee lek lel let lez lka lkb lkl lkt lla llb lle llk lll llt llz lta ltb lte ltk ltl ltt ltz taa tab tae tak tal tat taz tba tbb tbe tbk tbl tbt tbz te- tea teb tee tek tel tet tez tka tkb tke tkk tkl tkt tkz tla tle tlk tll tlt tlz tta ttb tte ttk ttl ttt tza tze zaa zab zak zat zaz zbb zbl zbt zea zeb zee zek zel zet zez zka zla zlt zta zte ztl zzt zzz