-al -er a-a a-b a-z aaa aab aae aak aal aar aaz ab- aba abb abe abk abl abr abz aea aeb aee aek ael aer aez aka akb ake akk akl akr al- ala alb ale alk all alr alz ar- ara arb are ark arl arr arz az- aza azb aze azz baa bab bae bak bal bar baz bba bbb bbe bbk bbl bbr be- bea beb bee bek bel ber bez bka bkb bke bkk bkl bkr bla blb ble blk bll blr blz bra brb bre brk brl brr brz bza bze bzr bzz eaa eab eae eak eal ear eaz eba ebb ebe ebk ebl ebr eea eeb eee eek eel eer eka ekb eke ekl ekr ela elb ele elk ell elr elz era erb ere erk erl err erz eze ezr ezz k-z ka- kaa kab kae kak kal kar kaz kba kbb kbe kbk kbl kbr kbz ke- kea keb kee kek kel ker kez kkb kke kkk kkl kkr kl- kla klb klr klz kra krk krl krr la- laa lab lae lak lal lar laz lba lbb lbe lbk lbl lbr lea leb lee lek lel ler lez lka lkb lkl lkr lla llb lle llk lll llr llz lra lrb lrk lrr lrz lzr ra- raa rab rae rak ral rar raz rba rbb rbe rbk rbl rbr re- rea reb ree rek rel rer rez rkb rke rkk rkz rla rle rll rlr rra rrb rrk rrl rrr rza rzb rze zaa zab zak zar zaz zbb zbl zbr zea zeb zee zek zel zer zez zka zla zlr zrl zzr zzz