-al -ol a-a aaa aad aal aao aav ad- ada add adl ado adv al- ala ald all alo alv aoa aod aol aoo aov av- ava avd avl avo daa dad dal dao dav dda ddd ddl ddo dl- dla dld dll dlo dlv doa dod dol doo dov dva dvd dvl la- laa lad lal lao lav lda ldd ldl ldo ldv lla lld lll llo llv loa lod lol loo lov lva lvd lvl lvv oaa oad oal oao oav oda odd odl odo odv ola old oll olo oo- ooa ood ool ooo oov ov- ova ovd ovl ovo ovv v-a vaa vad val vao vav vdd vdl vdo vdv vl- vla vld vll vlo vlv voa vod vol voo vov vva vvo vvv