a-a aaa aad aam aao aav ad- ada add adm ado adv ama amd amm amo amv aoa aod aom aoo aov av- ava avd avm avo daa dad dam dao dav dda ddd ddm ddo dma dmd dmm dmo dmv doa dod dom doo dov dva dvd dvm m-o m-v maa mad mam mao mav mda mdd mdm mdo mdv mma mmd mmm mmo mmv moa mod mom moo mov mva mvd mvm mvo mvv oaa oad oam oao oav oda odd odm odo odv om- oma omd omm omo omv oo- ooa ood oom ooo oov ov- ova ovd ovo ovv v-a vaa vad vam vao vav vdd vdm vdo vdv vm- vma vmd vmm vmo voa vod vom voo vov vva vvm vvo vvv