a-a a-b a-i aaa aab aag aai aan aao aay ab- aba abb abg abi abn abo aby ag- aga agb agg agi agn ago agy ai- aia aib aig aii ain aio aiy an- ana anb ang ani ann ano any aoa aob aog aoi aon aoo ay- aya ayi ayn ayo baa bab bag bai ban bao bay bba bbb bbg bbi bbn bbo bby bga bgb bgg bgi bgn bgo bi- bia bib big bii bin bio biy bna bnb bng bni bnn bno boa bob bog boi bon boo boy by- bya byg byi byn byo gaa gab gag gai gan gao gay gba gbg gbi gbn gbo gby gga ggb ggg ggi ggn ggo gia gib gig gii gin gio giy gna gnb gni gnn gno goa gob gog goi gon goo goy gy- gya gyb gyn gyo ia- iaa iab iag iai ian iao iba ibb ibg ibi ibn ibo iby iga igb igg igi ign igo igy iia iib iii iin iio in- ina inb ing ini inn ino iny io- ioa iob iog ioi ion ioo iya iyo iyy n-i naa nab nag nai nan nao nay nba nbb nbg nbi nbn nbo nga ngb ngg ngi ngn ngo nia nib nig nii nin nio nna nnb nng nni nnn nno no- noa nob nog noi non noo noy nya nyg nyn nyo nyy o-i oaa oab oag oai oan oao ob- oba obb obg obi obn obo oby oga ogg ogi ogn ogo ogy oia oib oii oin oio on- ona onb ong oni onn ono ony oo- ooa oob oog ooi oon ooo oya oyi oyo yaa yab yag yai yan yao yay ybg ybi yby yga ygo yig yii yin yio yna yng ynn yny yob yog yoi yon yoo yoy yyb yyg yyy