-al a-a a-b aaa aab aae aah aal ab- aba abb abe abh abl aea aeb aee aeh ael aha ahb ahe ahh ahl al- ala alb ale alh all baa bab bae bah bal bba bbb bbe bbh bbl be- bea beb bee beh bel bha bhb bhe bhh bhl bla blb ble blh bll eaa eab eae eah eal eba ebb ebe ebh ebl eea eeb eee eel eha ehb ehe ehh ehl ela elb ele elh ell haa hab hae hah hal hba hbb hbe hbh hbl he- hea heb hee heh hel hha hhb hhe hhh hhl hla hlb hle hlh hll la- laa lab lae lah lal lba lbb lbe lbh lbl lea leb lee leh lel lha lhb lhh lla llb lle lll