a-a aaa aad aak aam aan aao ad- ada add adk adm adn ado aka akd akk akm akn ako ama amd amk amm amn amo an- ana and ank anm ann ano aoa aod aok aom aon aoo daa dad dak dam dan dao dda ddd ddk ddm ddn ddo dka dkk dkm dko dma dmd dmk dmm dmn dmo dna dnd dnk dnm dnn dno doa dod dok dom don doo ka- kaa kad kak kam kan kao kda kdk kdm kdo kkk kkm kkn kma kmd kmk kmm kmo kn- kna knd knk knm knn kno koa kod kok kom kon koo m-o maa mad mak mam man mao mda mdd mdk mdm mdn mdo mka mkd mkk mkm mkn mko mma mmd mmk mmm mmn mmo mna mnk mnm mnn mno moa mod mok mom mon moo naa nad nak nam nan nao nda ndd ndk ndm ndn ndo nka nkk nkm nkn nko nma nmd nmk nmm nmn nmo nna nnk nnm nnn nno no- noa nod nok nom non noo oaa oad oak oam oan oao oda odd odm odn odo oka okd okk oko om- oma omd omm omn omo on- ona ond onk onn ono oo- ooa ood ook oom oon ooo