a-a aaa aak aam aao aar aav aka akk akm ako akr akv ama amk amm amo amr amv aoa aok aom aoo aor aov ar- ara ark arm aro arr arv av- ava avk avm avo avr ka- kaa kak kam kao kar kav kkk kkm kkr kkv kma kmk kmm kmo koa kok kom koo kor kra krk kro krr krv kva kvk kvm kvo kvr kvv m-o m-r m-v maa mak mam mao mar mav mka mkk mkm mko mkr mkv mma mmk mmm mmo mmr mmv moa mok mom moo mor mov mra mrk mrm mro mrr mrv mva mvm mvo mvr mvv oaa oak oam oao oar oav oka okk oko okr om- oma omm omo omr omv oo- ooa ook oom ooo oor oov or- ora ork orm oro orr orv ov- ova ovo ovv ra- raa rak ram rao rar rav rkk rkm rko rkv rma rmm rmo rmr rmv roa rok rom roo ror rov rra rrk rrm rrr rva rvm rvo rvr rvv v-a vaa vak vam vao var vav vka vkm vm- vma vmm vmo vmr voa vok vom voo vor vov vra vrk vrm vrr vva vvm vvo vvr vvv