-al a-a a-b aaa aab aae aah aak aal ab- aba abb abe abh abk abl aea aeb aee aeh aek ael aha ahb ahe ahh ahk ahl aka akb ake akh akk akl al- ala alb ale alh alk all baa bab bae bah bak bal bba bbb bbe bbh bbk bbl be- bea beb bee beh bek bel bha bhb bhe bhh bhk bhl bka bkb bke bkk bkl bla blb ble blh blk bll eaa eab eae eah eak eal eba ebb ebe ebh ebk ebl eea eeb eee eek eel eha ehb ehe ehh ehl eka ekb eke ekh ekl ela elb ele elh elk ell haa hab hae hah hak hal hba hbb hbe hbh hbk hbl he- hea heb hee heh hek hel hha hhb hhe hhh hhk hhl hka hkb hkh hkk hkl hla hlb hle hlh hll ka- kaa kab kae kah kak kal kba kbb kbe kbh kbk kbl ke- kea keb kee keh kek kel kha khe khh khk kkb kke kkh kkk kkl kl- kla klb klh la- laa lab lae lah lak lal lba lbb lbe lbh lbk lbl lea leb lee leh lek lel lha lhb lhh lhk lka lkb lkh lkl lla llb lle llk lll