a-a a-b a-i aaa aab aag aai aak aan aao aau ab- aba abb abg abi abk abn abo abu ag- aga agb agg agi agk agn ago agu ai- aia aib aig aii aik ain aio aiu aka akb akg aki akk akn ako aku an- ana anb ang ani ank ann ano anu aoa aob aog aoi aok aon aoo aou au- aua aub aug aui auk aun auo b-u baa bab bag bai bak ban bao bau bba bbb bbg bbi bbk bbn bbo bbu bga bgb bgg bgi bgk bgn bgo bgu bi- bia bib big bii bik bin bio biu bka bkb bkg bkk bkn bko bna bnb bng bni bnk bnn bno bnu boa bob bog boi bok bon boo bou bua bub bug bui buk bun buo buu gaa gab gag gai gak gan gao gau gba gbg gbi gbk gbn gbo gbu gga ggb ggg ggi ggn ggo ggu gia gib gig gii gik gin gio giu gka gkb gkn gko gna gnb gni gnn gno gnu goa gob gog goi gok gon goo gou gu- gua gub gug gui guk gun guo guu ia- iaa iab iag iai ian iao iau iba ibb ibg ibi ibk ibn ibo ibu iga igb igg igi igk ign igo igu iia iib iii iin iio iiu ika ikb iki ikk iko iku in- ina inb ing ini ink inn ino inu io- ioa iob iog ioi ion ioo iou iu- iua iub iug iui ka- kaa kab kag kai kak kan kao kau kba kbb kbi kbk kbn kbo kbu kga kgb kgi kgo kgu kia kib kig kii kik kin kio kiu kkb kki kkk kkn kku kn- kna kng kni knk knn kno knu koa kob kog koi kok kon koo kou kub kug kui kuk kun kuu n-i naa nab nag nai nak nan nao nau nba nbb nbg nbi nbk nbn nbo nbu nga ngb ngg ngi ngk ngn ngo ngu nia nib nig nii nik nin nio niu nka nki nkk nkn nko nku nna nnb nng nni nnk nnn nno nnu no- noa nob nog noi nok non noo nou nua nub nug nui nuk nun nuo nuu o-i oaa oab oag oai oak oan oao oau ob- oba obb obg obi obk obn obo obu oga ogg ogi ogn ogo oia oib oii oik oin oio oiu oka okb okg oki okk oko oku on- ona onb ong oni onk onn ono onu oo- ooa oob oog ooi ook oon ooo ou- oua oui ouk oun ouo ua- uaa uab uag uai uak uan uao uau uba ubb ubg ubi ubk ubn ubo ubu uga ugb ugg ugi ugk ugn ugo ugu uia uib uig uii uin uio uiu uka ukb uki ukk ukn uku un- una unb ung uni unk unn uno unu uoa uob uog uok uon uoo uua uug uun uuu