a-a a-b a-i a-t aaa aab aad aai aan aat aay ab- aba abb abd abi abn abt aby ad- ada adb add adi adn adt ady ai- aia aib aid aii ain ait aiy an- ana anb and ani ann ant any at- ata atb atd ati atn att ay- aya ayd ayi ayn ayt baa bab bad bai ban bat bay bba bbb bbd bbi bbn bbt bby bda bdb bdd bdi bdt bdy bi- bia bib bid bii bin bit biy bna bnb bnd bni bnn bnt bta btb btd bti btn btt bty by- bya byd byi byn byt daa dab dad dai dan dat day dba dbb dbd dbi dbn dbt dby dda ddb ddd ddi ddn ddt ddy di- dia dib did dii din dit diy dna dnb dnd dni dnn dnt dny dta dtb dtd dti dtn dtt dty dy- dya dyb dyd dyn dyy i-d ia- iaa iab iad iai ian iat iba ibb ibd ibi ibn ibt iby ida idb idd idi idn idt idy iia iib iid iii iin iit in- ina inb ind ini inn int iny ita itb itd iti itn itt ity iya iyt iyy n-i naa nab nad nai nan nat nay nba nbb nbd nbi nbn nbt nda ndb ndd ndi ndn ndt ndy nia nib nid nii nin nit nna nnb nni nnn nnt nta ntb ntd nti ntn ntt nya nyd nyn nyt nyy taa tab tad tai tan tat tay tba tbb tbd tbi tbn tbt tda tdb tdd tdi tdn tdt tdy tia tib tid tii tin tit tiy tna tnb tnd tni tnn tnt tta ttb ttd tti ttn ttt tty tya tyd tyn tyt yaa yab yad yai yan yat yay ybi yby yda ydn ydt ydy yid yii yin yit yna ynd ynn yny yta ytd ytn ytt yyb yyt yyy