-al a-a a-b aaa aab aae aah aal aau ab- aba abb abe abh abl abu aea aeb aee aeh ael aeu aha ahb ahe ahh ahl ahu al- ala alb ale alh all alu au- aua aub aue auh aul b-u baa bab bae bah bal bau bba bbb bbe bbh bbl bbu be- bea beb bee beh bel beu bha bhb bhe bhh bhl bhu bla blb ble blh bll blu bua bub bue buh bul buu eaa eab eae eah eal eau eba ebb ebe ebh ebl ebu eea eeb eee eel eha ehb ehe ehh ehl ehu ela elb ele elh ell elu eu- eua eub eue eul haa hab hae hah hal hau hba hbb hbe hbh hbl hbu he- hea heb hee heh hel heu hha hhb hhe hhh hhl hhu hla hlb hle hlh hll hlu hua hub hue huh hul huu la- laa lab lae lah lal lau lba lbb lbe lbh lbl lbu lea leb lee leh lel leu lha lhb lhh lhu lla llb lle lll llu lua lub lue luh lul luu ua- uaa uab uae uah ual uau uba ubb ube ubh ubl ubu uea ueb uee ueh uel uha uhb uhe uhh uhl uhu ula ulb ule ull ulu uua uue uuu