a-a a-i aaa aad aai aak aao ad- ada add adi adk ado ai- aia aid aii aik aio aka akd aki akk ako aoa aod aoi aok aoo daa dad dai dak dao dda ddd ddi ddk ddo di- dia did dii dik dio dka dki dkk dko doa dod doi dok doo i-d ia- iaa iad iai iao ida idd idi idk ido iia iid iii iio ika iki ikk iko io- ioa iod ioi ioo ka- kaa kad kai kak kao kda kdk kdo kia kid kii kik kio kki kkk koa kod koi kok koo o-i oaa oad oai oak oao oda odd odi odo oia oid oii oik oio oka okd oki okk oko oo- ooa ood ooi ook ooo