a-a a-b a-i aaa aab aag aai aan aas aau ab- aba abb abg abi abn abs abu ag- aga agb agg agi agn ags agu ai- aia aib aig aii ain ais aiu an- ana anb ang ani ann ans anu as- asa asb asg asi asn ass asu au- aua aub aug aui aun aus b-u baa bab bag bai ban bas bau bba bbb bbg bbi bbn bbs bbu bga bgb bgg bgi bgn bgs bgu bi- bia bib big bii bin bis biu bna bnb bng bni bnn bns bnu bsa bsb bsg bsi bsn bss bsu bua bub bug bui bun bus buu gaa gab gag gai gan gas gau gba gbg gbi gbn gbs gbu gga ggb ggg ggi ggn ggs ggu gia gib gig gii gin gis giu gna gnb gni gnn gns gnu gsa gsb gsg gsi gsn gss gsu gu- gua gub gug gui gun gus guu ia- iaa iab iag iai ian ias iau iba ibb ibg ibi ibn ibs ibu iga igb igg igi ign igs igu iia iib iii iin iis iiu in- ina inb ing ini inn ins inu is- isa isb isg isi isn iss isu iu- iua iub iug iui ius n-i naa nab nag nai nan nas nau nba nbb nbg nbi nbn nbs nbu nga ngb ngg ngi ngn ngs ngu nia nib nig nii nin nis niu nna nnb nng nni nnn nns nnu nsa nsb nsg nsi nsn nss nsu nua nub nug nui nun nus nuu saa sab sag sai san sas sau sba sbb sbg sbi sbn sbs sbu sga sgb sgg sgi sgn sgs sgu sia sib sig sii sin sis siu sna snb sng sni snn sns snu ss- ssa ssb ssg ssi ssn sss ssu sua sub sug sui sun sus suu ua- uaa uab uag uai uan uas uau uba ubb ubg ubi ubn ubs ubu uga ugb ugg ugi ugn ugs ugu uia uib uig uii uin uis uiu un- una unb ung uni unn uns unu usa usb usg usi usn uss usu uua uug uun uus uuu