b-u bbb bbg bbi bbn bbr bbs bbu bby bgb bgg bgi bgn bgr bgs bgu bi- bib big bii bin bir bis biu biy bnb bng bni bnn bnr bns bnu brb brg bri brn brr brs bru bry bsb bsg bsi bsn bsr bss bsu bsy bub bug bui bun bur bus buu buy by- byg byi byn byr bys byu gbg gbi gbn gbr gbs gbu gby ggb ggg ggi ggn ggr ggs ggu gib gig gii gin gir gis giu giy gnb gni gnn gnr gns gnu grb grg gri grn grr grs gru gry gsb gsg gsi gsn gsr gss gsu gu- gub gug gui gun gur gus guu guy gy- gyb gyn gyr gys ibb ibg ibi ibn ibr ibs ibu iby igb igg igi ign igr igs igu igy iib iii iin iir iis iiu in- inb ing ini inn inr ins inu iny ir- irb irg iri irn irr irs iru iry is- isb isg isi isn isr iss isu isy iu- iub iug iui iur ius iyr iys iyy n-i nbb nbg nbi nbn nbr nbs nbu ngb ngg ngi ngn ngs ngu nib nig nii nin nir nis niu nnb nng nni nnn nns nnu nrb nrg nri nrn nrr nrs nru nry nsb nsg nsi nsn nsr nss nsu nsy nub nug nui nun nur nus nuu nuy nyg nyn nys nyu nyy rbb rbg rbi rbn rbr rbs rbu rgb rgg rgi rgn rgr rgs rib rig rii rin rir ris riy rnb rng rni rnn rnr rns rnu rny rrb rrg rri rrn rrr rrs rru rsb rsg rsi rsn rsr rss rsu rub rug rui run rur rus ruu ruy ry- ryg ryn ryr rys ryu ryy sbb sbg sbi sbn sbr sbs sbu sby sgb sgg sgi sgn sgr sgs sgu sib sig sii sin sir sis siu snb sng sni snn snr sns snu sny sr- srb srg sri srn srr srs sry ss- ssb ssg ssi ssn ssr sss ssu sub sug sui sun sur sus suu suy sy- syb syg syi syn syr sys syu ubb ubg ubi ubn ubr ubs ubu uby ugb ugg ugi ugn ugr ugs ugu uib uig uii uin uir uis uiu un- unb ung uni unn unr uns unu uny ur- urb urg uri urn urr urs uru ury usb usg usi usn usr uss usu uug uun uur uus uuu uyi uys uyu ybg ybi ybr ybs yby yig yii yin yir yis yng ynn yns ynu yny yrg yrn yrs yru ysb ysg ysi ysr yss ysu ysy yug yui yun yur yus yuu yuy yyb yyg yys yyu yyy