-ey a-a a-b aaa aab aad aae aan aau aay ab- aba abb abd abe abn abu aby ad- ada adb add ade adn adu ady aea aeb aed aee aen aeu aey an- ana anb and ane ann anu any au- aua aub aud aue aun ay- aya ayd aye ayn ayu b-u baa bab bad bae ban bau bay bba bbb bbd bbe bbn bbu bby bda bdb bdd bde bdu bdy be- bea beb bed bee ben beu bey bna bnb bnd bne bnn bnu bua bub bud bue bun buu buy by- bya byd bye byn byu daa dab dad dae dan dau day dba dbb dbd dbe dbn dbu dby dda ddb ddd dde ddn ddu ddy de- dea deb ded dee den deu dey dna dnb dnd dne dnn dny dua dub dud due dun duy dy- dya dyb dyd dye dyn dyu dyy eaa eab ead eae ean eau eba ebb ebd ebe ebn ebu eby ed- eda edb edd ede edn edu edy eea eeb eed eee een eey en- ena enb end ene enn enu eny eu- eua eub eud eue eun eya eyd eye eyn naa nab nad nae nan nau nay nba nbb nbd nbe nbn nbu nda ndb ndd nde ndn ndu ndy ne- nea neb ned nee nen neu ney nna nnb nne nnn nnu nua nub nud nue nun nuu nuy nya nyd nye nyn nyu nyy ua- uaa uab uad uae uan uau uay uba ubb ube ubn ubu uby uda udb udd ude udn udu uea ueb ued uee uen uey un- una unb und une unn unu uny uua uue uun uuu uyu yaa yab yad yae yan yau yay ybe yby yda yde ydn ydy yea yeb yed yee yen yey yna ynd yne ynn ynu yny yua yud yue yun yuu yuy yyb yye yyu yyy