a-a a-b a-i aaa aab aag aai aan aao aau ab- aba abb abg abi abn abo abu ag- aga agb agg agi agn ago agu ai- aia aib aig aii ain aio aiu an- ana anb ang ani ann ano anu aoa aob aog aoi aon aoo aou au- aua aub aug aui aun auo b-u baa bab bag bai ban bao bau bba bbb bbg bbi bbn bbo bbu bga bgb bgg bgi bgn bgo bgu bi- bia bib big bii bin bio biu bna bnb bng bni bnn bno bnu boa bob bog boi bon boo bou bua bub bug bui bun buo buu gaa gab gag gai gan gao gau gba gbg gbi gbn gbo gbu gga ggb ggg ggi ggn ggo ggu gia gib gig gii gin gio giu gna gnb gni gnn gno gnu goa gob gog goi gon goo gou gu- gua gub gug gui gun guo guu ia- iaa iab iag iai ian iao iau iba ibb ibg ibi ibn ibo ibu iga igb igg igi ign igo igu iia iib iii iin iio iiu in- ina inb ing ini inn ino inu io- ioa iob iog ioi ion ioo iou iu- iua iub iug iui n-i naa nab nag nai nan nao nau nba nbb nbg nbi nbn nbo nbu nga ngb ngg ngi ngn ngo ngu nia nib nig nii nin nio niu nna nnb nng nni nnn nno nnu no- noa nob nog noi non noo nou nua nub nug nui nun nuo nuu o-i oaa oab oag oai oan oao oau ob- oba obb obg obi obn obo obu oga ogg ogi ogn ogo oia oib oii oin oio oiu on- ona onb ong oni onn ono onu oo- ooa oob oog ooi oon ooo ou- oua oui oun ouo ua- uaa uab uag uai uan uao uau uba ubb ubg ubi ubn ubo ubu uga ugb ugg ugi ugn ugo ugu uia uib uig uii uin uio uiu un- una unb ung uni unn uno unu uoa uob uog uon uoo uua uug uun uuu