-al -er a-a a-b aaa aab aae aah aak aal aar ab- aba abb abe abh abk abl abr aea aeb aee aeh aek ael aer aha ahb ahe ahh ahk ahl ahr aka akb ake akh akk akl akr al- ala alb ale alh alk all alr ar- ara arb are arh ark arl arr baa bab bae bah bak bal bar bba bbb bbe bbh bbk bbl bbr be- bea beb bee beh bek bel ber bha bhb bhe bhh bhk bhl bhr bka bkb bke bkk bkl bkr bla blb ble blh blk bll blr bra brb bre brh brk brl brr eaa eab eae eah eak eal ear eba ebb ebe ebh ebk ebl ebr eea eeb eee eek eel eer eha ehb ehe ehh ehl ehr eka ekb eke ekh ekl ekr ela elb ele elh elk ell elr era erb ere erh erk erl err haa hab hae hah hak hal har hba hbb hbe hbh hbk hbl hbr he- hea heb hee heh hek hel her hha hhb hhe hhh hhk hhl hhr hka hkb hkh hkk hkl hkr hla hlb hle hlh hll hlr hr- hra hrb hre hrh hrk hrl hrr ka- kaa kab kae kah kak kal kar kba kbb kbe kbh kbk kbl kbr ke- kea keb kee keh kek kel ker kha khe khh khk khr kkb kke kkh kkk kkl kkr kl- kla klb klh klr kra krk krl krr la- laa lab lae lah lak lal lar lba lbb lbe lbh lbk lbl lbr lea leb lee leh lek lel ler lha lhb lhh lhk lhr lka lkb lkh lkl lkr lla llb lle llk lll llr lra lrb lrh lrk lrr ra- raa rab rae rah rak ral rar rba rbb rbe rbh rbk rbl rbr re- rea reb ree reh rek rel rer rh- rha rhb rhe rhh rhl rhr rkb rke rkk rla rle rlh rll rlr rra rrb rrh rrk rrl rrr