a-a a-b a-i a-t aaa aab aag aai aak aan aao aat aau ab- aba abb abg abi abk abn abo abt abu ag- aga agb agg agi agk agn ago agt agu ai- aia aib aig aii aik ain aio ait aiu aka akb akg aki akk akn ako aku an- ana anb ang ani ank ann ano ant anu aoa aob aog aoi aok aon aoo aot aou at- ata atb atg ati atn ato att atu au- aua aub aug aui auk aun auo aut b-u baa bab bag bai bak ban bao bat bau bba bbb bbg bbi bbk bbn bbo bbt bbu bga bgb bgg bgi bgk bgn bgo bgt bgu bi- bia bib big bii bik bin bio bit biu bka bkb bkg bkk bkn bko bkt bna bnb bng bni bnk bnn bno bnt bnu boa bob bog boi bok bon boo bot bou bta btb btg bti btk btn bto btt btu bua bub bug bui buk bun buo but buu gaa gab gag gai gak gan gao gat gau gba gbg gbi gbk gbn gbo gbt gbu gga ggb ggg ggi ggn ggo ggt ggu gia gib gig gii gik gin gio git giu gka gkb gkn gko gkt gna gnb gni gnn gno gnt gnu goa gob gog goi gok gon goo got gou gta gtb gtg gti gtk gtn gto gtt gtu gu- gua gub gug gui guk gun guo gut guu ia- iaa iab iag iai ian iao iat iau iba ibb ibg ibi ibk ibn ibo ibt ibu iga igb igg igi igk ign igo igt igu iia iib iii iin iio iit iiu ika ikb iki ikk iko ikt iku in- ina inb ing ini ink inn ino int inu io- ioa iob iog ioi ion ioo iot iou ita itb itg iti itk itn ito itt itu iu- iua iub iug iui iut k-t ka- kaa kab kag kai kak kan kao kat kau kba kbb kbi kbk kbn kbo kbu kga kgb kgi kgo kgu kia kib kig kii kik kin kio kit kiu kkb kki kkk kkn kkt kku kn- kna kng kni knk knn kno knt knu koa kob kog koi kok kon koo kot kou kta ktb ktg ktk ktn kto ktt ktu kub kug kui kuk kun kut kuu n-i naa nab nag nai nak nan nao nat nau nba nbb nbg nbi nbk nbn nbo nbt nbu nga ngb ngg ngi ngk ngn ngo ngt ngu nia nib nig nii nik nin nio nit niu nka nki nkk nkn nko nkt nku nna nnb nng nni nnk nnn nno nnt nnu no- noa nob nog noi nok non noo not nou nta ntb ntg nti ntk ntn nto ntt ntu nua nub nug nui nuk nun nuo nut nuu o-i oaa oab oag oai oak oan oao oat oau ob- oba obb obg obi obk obn obo obt obu oga ogg ogi ogn ogo ogt oia oib oii oik oin oio oit oiu oka okb okg oki okk oko oku on- ona onb ong oni onk onn ono ont onu oo- ooa oob oog ooi ook oon ooo oot ot- ota otb otg oti otk otn oto ott otu ou- oua oui ouk oun ouo out taa tab tag tai tak tan tao tat tau tba tbb tbg tbi tbk tbn tbo tbt tbu tga tgb tgg tgi tgk tgn tgo tgt tgu tia tib tig tii tik tin tio tit tiu tka tkb tkg tkk tko tkt tna tnb tng tni tnk tnn tno tnt to- toa tob tog toi tok ton too tot tou tta ttb ttg tti ttk ttn tto ttt ttu tua tub tug tui tuk tun tuo tut tuu ua- uaa uab uag uai uak uan uao uat uau uba ubb ubg ubi ubk ubn ubo ubt ubu uga ugb ugg ugi ugk ugn ugo ugt ugu uia uib uig uii uin uio uit uiu uka ukb uki ukk ukn uku un- una unb ung uni unk unn uno unt unu uoa uob uog uok uon uoo uot uta utb uti utk utn uto utt utu uua uug uun uut uuu