a-a a-i aaa aad aaf aai aak aan aao ad- ada add adf adi adk adn ado af- afa afd aff afi afk afn afo ai- aia aid aif aii aik ain aio aka akd aki akk akn ako an- ana and anf ani ank ann ano aoa aod aof aoi aok aon aoo daa dad daf dai dak dan dao dda ddd ddf ddi ddk ddn ddo dfa dfd dff dfi dfk dfn dfo di- dia did dif dii dik din dio dka dki dkk dko dna dnd dnf dni dnk dnn dno doa dod dof doi dok don doo faa fad faf fai fak fan fao fda fdd fdf fdi fdk fdn fdo ffa ffd fff ffi ffk ffn ffo fia fid fif fii fik fin fka fkf fki fkk fna fnd fnf fni fnk fnn foa fof foi fok fon foo i-d i-f ia- iaa iad iaf iai ian iao ida idd idf idi idk idn ido ifa ifd iff ifi ifn ifo iia iid iif iii iin iio ika ikf iki ikk iko in- ina ind inf ini ink inn ino io- ioa iod iof ioi ion ioo ka- kaa kad kaf kai kak kan kao kda kdf kdk kdo kfa kfd kff kfi kfo kia kid kif kii kik kin kio kki kkk kkn kn- kna knd knf kni knk knn kno koa kod kof koi kok kon koo n-i naa nad naf nai nak nan nao nda ndd ndf ndi ndk ndn ndo nfa nfd nff nfi nfk nfn nfo nia nid nif nii nik nin nio nka nkf nki nkk nkn nko nna nnf nni nnk nnn nno no- noa nod nof noi nok non noo o-i oaa oad oaf oai oak oan oao oda odd odf odi odn odo of- ofa ofd off ofi ofn ofo oia oid oif oii oik oin oio oka okd oki okk oko on- ona ond onf oni onk onn ono oo- ooa ood oof ooi ook oon ooo