a-a a-b a-i aaa aab aai aan aao aau aay ab- aba abb abi abn abo abu aby ai- aia aib aii ain aio aiu aiy an- ana anb ani ann ano anu any aoa aob aoi aon aoo aou au- aua aub aui aun auo ay- aya ayi ayn ayo ayu b-u baa bab bai ban bao bau bay bba bbb bbi bbn bbo bbu bby bi- bia bib bii bin bio biu biy bna bnb bni bnn bno bnu boa bob boi bon boo bou boy bua bub bui bun buo buu buy by- bya byi byn byo byu ia- iaa iab iai ian iao iau iba ibb ibi ibn ibo ibu iby iia iib iii iin iio iiu in- ina inb ini inn ino inu iny io- ioa iob ioi ion ioo iou iu- iua iub iui iya iyo iyy n-i naa nab nai nan nao nau nay nba nbb nbi nbn nbo nbu nia nib nii nin nio niu nna nnb nni nnn nno nnu no- noa nob noi non noo nou noy nua nub nui nun nuo nuu nuy nya nyn nyo nyu nyy o-i oaa oab oai oan oao oau ob- oba obb obi obn obo obu oby oia oib oii oin oio oiu on- ona onb oni onn ono onu ony oo- ooa oob ooi oon ooo ou- oua oui oun ouo oya oyi oyo ua- uaa uab uai uan uao uau uay uba ubb ubi ubn ubo ubu uby uia uib uii uin uio uiu un- una unb uni unn uno unu uny uoa uob uon uoo uua uun uuu uyi uyo uyu yaa yab yai yan yao yau yay ybi yby yii yin yio yna ynn ynu yny yob yoi yon yoo you yoy yua yui yun yuo yuu yuy yyb yyu yyy