a-a a-i aaa aad aai aan aao ad- ada add adi adn ado ai- aia aid aii ain aio an- ana and ani ann ano aoa aod aoi aon aoo daa dad dai dan dao dda ddd ddi ddn ddo di- dia did dii din dio dna dnd dni dnn dno doa dod doi don doo i-d ia- iaa iad iai ian iao ida idd idi idn ido iia iid iii iin iio in- ina ind ini inn ino io- ioa iod ioi ion ioo n-i naa nad nai nan nao nda ndd ndi ndn ndo nia nid nii nin nio nna nni nnn nno no- noa nod noi non noo o-i oaa oad oai oan oao oda odd odi odn odo oia oid oii oin oio on- ona ond oni onn ono oo- ooa ood ooi oon ooo