-al -ol a-a a-b aaa aab aah aal aao aav ab- aba abb abh abl abo abv aha ahb ahh ahl aho ahv al- ala alb alh all alo alv aoa aob aoh aol aoo aov av- ava avb avh avl avo baa bab bah bal bao bav bba bbb bbh bbl bbo bha bhb bhh bhl bho bhv bla blb blh bll blo blv boa bob boh bol boo bov bva bvb bvh bvl bvo bvv haa hab hah hal hao hav hba hbb hbh hbl hbo hbv hha hhb hhh hhl hho hhv hla hlb hlh hll hlo hlv hoa hob hoh hol hoo hov hv- hva hvb hvl hvo hvv la- laa lab lah lal lao lav lba lbb lbh lbl lbo lbv lha lhb lhh lho lhv lla llb lll llo llv loa lob loh lol loo lov lva lvb lvh lvl lvv oaa oab oah oal oao oav ob- oba obb obh obl obo obv oha ohh ohl oho ola olb oll olo oo- ooa oob ooh ool ooo oov ov- ova ovb ovh ovl ovo ovv v-a vaa vab vah val vao vav vba vbh vbl vbo vbv vh- vha vhb vho vl- vla vlb vll vlo vlv voa vob voh vol voo vov vva vvb vvo vvv