-al -er a-a aaa aad aae aak aal aar ad- ada add ade adk adl adr aea aed aee aek ael aer aka akd ake akk akl akr al- ala ald ale alk all alr ar- ara ard are ark arl arr daa dad dae dak dal dar dda ddd dde ddk ddl ddr de- dea ded dee dek del der dka dke dkk dkl dkr dl- dla dld dle dlk dll dlr dra drd dre drk drl drr eaa ead eae eak eal ear ed- eda edd ede edk edl edr eea eed eee eek eel eer eka ekd eke ekl ekr ela eld ele elk ell elr era erd ere erk erl err ka- kaa kad kae kak kal kar kda kde kdk kdl kdr ke- kea ked kee kek kel ker kke kkk kkl kkr kl- kla kld klr kra krd krk krl krr la- laa lad lae lak lal lar lda ldd lde ldk ldl ldr lea led lee lek lel ler lka lkl lkr lla lld lle llk lll llr lra lrd lrk lrr ra- raa rad rae rak ral rar rda rdd rde rdl rdr re- rea red ree rek rel rer rke rkk rla rld rle rll rlr rra rrd rrk rrl rrr