a-a aaa aad aae aaf aan aao ad- ada add ade adf adn ado aea aed aee aef aen aeo af- afa afd afe aff afn afo an- ana and ane anf ann ano aoa aod aoe aof aon aoo daa dad dae daf dan dao dda ddd dde ddf ddn ddo de- dea ded dee def den deo dfa dfd dfe dff dfn dfo dna dnd dne dnf dnn dno doa dod doe dof don doo eaa ead eae eaf ean eao ed- eda edd ede edf edn edo eea eed eee eef een eeo ef- efa efd efe eff efo en- ena end ene enf enn eno eo- eoa eod eoe eof eon eoo faa fad fae faf fan fao fda fdd fde fdf fdn fdo fea fed fee fef fen feo ffa ffd ffe fff ffn ffo fna fnd fne fnf fnn foa foe fof fon foo naa nad nae naf nan nao nda ndd nde ndf ndn ndo ne- nea ned nee nef nen neo nfa nfd nfe nff nfn nfo nna nne nnf nnn nno no- noa nod noe nof non noo oaa oad oae oaf oan oao oda odd ode odf odn odo oea oed oee oef oen oeo of- ofa ofd ofe off ofn ofo on- ona ond one onf onn ono oo- ooa ood oof oon ooo