b-u bbb bbh bbi bbk bbn bbs bbu bby bhb bhh bhi bhk bhs bhu bi- bib bih bii bik bin bis biu biy bkb bkk bkn bks bnb bni bnk bnn bns bnu bsb bsh bsi bsk bsn bss bsu bsy bub buh bui buk bun bus buu buy by- byh byi byk byn bys byu h-i hbb hbh hbi hbk hbn hbs hbu hby hhb hhh hhi hhk hhn hhs hhu hhy hib hih hii hik hin his hiu hkb hkh hki hkk hkn hks hku hnb hnh hnk hnn hns hnu hny hsb hsh hsi hsk hsn hss hsu hsy hub huh hui huk hun hus huu huy hy- hyb hyh hyi hyn hys hyy ibb ibh ibi ibk ibn ibs ibu iby ihb ihh ihi ihk ihn ihs ihu ihy iib iih iii iin iis iiu ikb iki ikk iks iku in- inb inh ini ink inn ins inu iny is- isb ish isi isk isn iss isu isy iu- iub iui ius iys iyy kbb kbh kbi kbk kbn kbs kbu khh khi khk khn khs khu kib kih kii kik kin kis kiu kkb kkh kki kkk kkn kks kku kky kn- kni knk knn knu ksb ksh ksi ksk ksn kss ksu kub kuh kui kuk kun kus kuu kuy kyn kys kyu n-i nbb nbi nbk nbn nbs nbu nhb nhh nhi nhk nhn nhs nhu nhy nib nih nii nik nin nis niu nki nkk nkn nks nku nky nnb nnh nni nnk nnn nns nnu nsb nsh nsi nsk nsn nss nsu nsy nub nuh nui nuk nun nus nuu nuy nyk nyn nys nyu nyy sbb sbh sbi sbk sbn sbs sbu sby sh- shb shh shi shk shn shs shu shy sib sih sii sik sin sis siu sk- skb skh ski skk sks sku sky snb sni snk snn sns snu sny ss- ssb ssh ssi ssk ssn sss ssu sub suh sui suk sun sus suu suy sy- syb syh syi syk syn sys syu ubb ubh ubi ubk ubn ubs ubu uby uhb uhh uhi uhs uhu uhy uib uii uin uis uiu ukb uki ukk ukn uku un- unb unh uni unk unn uns unu uny usb ush usi usk usn uss usu uun uus uuu uyi uys uyu ybi ybs yby yhi yhs yhu yih yii yin yis yki ykk ykn ynk ynn yns ynu yny ysb ysi ysk yss ysu ysy yuh yui yuk yun yus yuu yuy yyb yys yyu yyy