a-a a-b a-i aaa aab aag aai aan aar aas aau aay ab- aba abb abg abi abn abr abs abu aby ag- aga agb agg agi agn agr ags agu agy ai- aia aib aig aii ain air ais aiu aiy an- ana anb ang ani ann anr ans anu any ar- ara arb arg ari arn arr ars aru ary as- asa asb asg asi asn asr ass asu asy au- aua aub aug aui aun aur aus ay- aya ayi ayn ayr ays ayu b-u baa bab bag bai ban bar bas bau bay bba bbb bbg bbi bbn bbr bbs bbu bby bga bgb bgg bgi bgn bgr bgs bgu bi- bia bib big bii bin bir bis biu biy bna bnb bng bni bnn bnr bns bnu bra brb brg bri brn brr brs bru bry bsa bsb bsg bsi bsn bsr bss bsu bsy bua bub bug bui bun bur bus buu buy by- bya byg byi byn byr bys byu gaa gab gag gai gan gar gas gau gay gba gbg gbi gbn gbr gbs gbu gby gga ggb ggg ggi ggn ggr ggs ggu gia gib gig gii gin gir gis giu giy gna gnb gni gnn gnr gns gnu gra grb grg gri grn grr grs gru gry gsa gsb gsg gsi gsn gsr gss gsu gu- gua gub gug gui gun gur gus guu guy gy- gya gyb gyn gyr gys ia- iaa iab iag iai ian iar ias iau iba ibb ibg ibi ibn ibr ibs ibu iby iga igb igg igi ign igr igs igu igy iia iib iii iin iir iis iiu in- ina inb ing ini inn inr ins inu iny ir- ira irb irg iri irn irr irs iru iry is- isa isb isg isi isn isr iss isu isy iu- iua iub iug iui iur ius iya iyr iys iyy n-i naa nab nag nai nan nar nas nau nay nba nbb nbg nbi nbn nbr nbs nbu nga ngb ngg ngi ngn ngs ngu nia nib nig nii nin nir nis niu nna nnb nng nni nnn nns nnu nra nrb nrg nri nrn nrr nrs nru nry nsa nsb nsg nsi nsn nsr nss nsu nsy nua nub nug nui nun nur nus nuu nuy nya nyg nyn nys nyu nyy ra- raa rab rag rai ran rar ras rau ray rba rbb rbg rbi rbn rbr rbs rbu rga rgb rgg rgi rgn rgr rgs ria rib rig rii rin rir ris riy rna rnb rng rni rnn rnr rns rnu rny rra rrb rrg rri rrn rrr rrs rru rsa rsb rsg rsi rsn rsr rss rsu rua rub rug rui run rur rus ruu ruy ry- rya ryg ryn ryr rys ryu ryy saa sab sag sai san sar sas sau say sba sbb sbg sbi sbn sbr sbs sbu sby sga sgb sgg sgi sgn sgr sgs sgu sia sib sig sii sin sir sis siu sna snb sng sni snn snr sns snu sny sr- sra srb srg sri srn srr srs sry ss- ssa ssb ssg ssi ssn ssr sss ssu sua sub sug sui sun sur sus suu suy sy- sya syb syg syi syn syr sys syu ua- uaa uab uag uai uan uar uas uau uay uba ubb ubg ubi ubn ubr ubs ubu uby uga ugb ugg ugi ugn ugr ugs ugu uia uib uig uii uin uir uis uiu un- una unb ung uni unn unr uns unu uny ur- ura urb urg uri urn urr urs uru ury usa usb usg usi usn usr uss usu uua uug uun uur uus uuu uyi uys uyu yaa yab yag yai yan yar yas yau yay ybg ybi ybr ybs yby yga yig yii yin yir yis yna yng ynn yns ynu yny yra yrg yrn yrs yru ysa ysb ysg ysi ysr yss ysu ysy yua yug yui yun yur yus yuu yuy yyb yyg yys yyu yyy