a-a a-b a-i aaa aab aag aai aak aan aar aau ab- aba abb abg abi abk abn abr abu ag- aga agb agg agi agk agn agr agu ai- aia aib aig aii aik ain air aiu aka akb akg aki akk akn akr aku an- ana anb ang ani ank ann anr anu ar- ara arb arg ari ark arn arr aru au- aua aub aug aui auk aun aur b-u baa bab bag bai bak ban bar bau bba bbb bbg bbi bbk bbn bbr bbu bga bgb bgg bgi bgk bgn bgr bgu bi- bia bib big bii bik bin bir biu bka bkb bkg bkk bkn bkr bna bnb bng bni bnk bnn bnr bnu bra brb brg bri brk brn brr bru bua bub bug bui buk bun bur buu gaa gab gag gai gak gan gar gau gba gbg gbi gbk gbn gbr gbu gga ggb ggg ggi ggn ggr ggu gia gib gig gii gik gin gir giu gka gkb gkn gna gnb gni gnn gnr gnu gra grb grg gri grk grn grr gru gu- gua gub gug gui guk gun gur guu ia- iaa iab iag iai ian iar iau iba ibb ibg ibi ibk ibn ibr ibu iga igb igg igi igk ign igr igu iia iib iii iin iir iiu ika ikb iki ikk ikr iku in- ina inb ing ini ink inn inr inu ir- ira irb irg iri irk irn irr iru iu- iua iub iug iui iur ka- kaa kab kag kai kak kan kar kau kba kbb kbi kbk kbn kbr kbu kga kgb kgi kgu kia kib kig kii kik kin kir kiu kkb kki kkk kkn kkr kku kn- kna kng kni knk knn knr knu kra krg kri krk krn krr kru kub kug kui kuk kun kur kuu n-i naa nab nag nai nak nan nar nau nba nbb nbg nbi nbk nbn nbr nbu nga ngb ngg ngi ngk ngn ngu nia nib nig nii nik nin nir niu nka nki nkk nkn nkr nku nna nnb nng nni nnk nnn nnu nra nrb nrg nri nrk nrn nrr nru nua nub nug nui nuk nun nur nuu ra- raa rab rag rai rak ran rar rau rba rbb rbg rbi rbk rbn rbr rbu rga rgb rgg rgi rgk rgn rgr ria rib rig rii rik rin rir rkb rkg rkk rku rna rnb rng rni rnn rnr rnu rra rrb rrg rri rrk rrn rrr rru rua rub rug rui ruk run rur ruu ua- uaa uab uag uai uak uan uar uau uba ubb ubg ubi ubk ubn ubr ubu uga ugb ugg ugi ugk ugn ugr ugu uia uib uig uii uin uir uiu uka ukb uki ukk ukn ukr uku un- una unb ung uni unk unn unr unu ur- ura urb urg uri urk urn urr uru uua uug uun uur uuu