a-a a-b a-i aaa aab aad aai aan aay ab- aba abb abd abi abn aby ad- ada adb add adi adn ady ai- aia aib aid aii ain aiy an- ana anb and ani ann any ay- aya ayd ayi ayn baa bab bad bai ban bay bba bbb bbd bbi bbn bby bda bdb bdd bdi bdy bi- bia bib bid bii bin biy bna bnb bnd bni bnn by- bya byd byi byn daa dab dad dai dan day dba dbb dbd dbi dbn dby dda ddb ddd ddi ddn ddy di- dia dib did dii din diy dna dnb dnd dni dnn dny dy- dya dyb dyd dyn dyy i-d ia- iaa iab iad iai ian iba ibb ibd ibi ibn iby ida idb idd idi idn idy iia iib iid iii iin in- ina inb ind ini inn iny iya iyy n-i naa nab nad nai nan nay nba nbb nbd nbi nbn nda ndb ndd ndi ndn ndy nia nib nid nii nin nna nnb nni nnn nya nyd nyn nyy yaa yab yad yai yan yay ybi yby yda ydn ydy yid yii yin yna ynd ynn yny yyb yyy