a-a aaa aad aah aao aav ad- ada add adh ado adv aha ahd ahh aho ahv aoa aod aoh aoo aov av- ava avd avh avo daa dad dah dao dav dda ddd ddh ddo dh- dha dhd dhh dho doa dod doh doo dov dva dvd dvh haa had hah hao hav hda hdd hdh hdo hdv hha hhd hhh hho hhv hoa hod hoh hoo hov hv- hva hvd hvo hvv oaa oad oah oao oav oda odd odh odo odv oha ohd ohh oho oo- ooa ood ooh ooo oov ov- ova ovd ovh ovo ovv v-a vaa vad vah vao vav vdd vdh vdo vdv vh- vha vhd vho voa vod voh voo vov vva vvo vvv