-up b-p b-u bbb bbi bbn bbp bbs bbu bby bi- bib bii bin bip bis biu biy bnb bni bnn bnp bns bnu bpb bpi bpn bpp bps bpu bpy bsb bsi bsn bsp bss bsu bsy bub bui bun bup bus buu buy by- byi byn byp bys byu ibb ibi ibn ibp ibs ibu iby iib iii iin iip iis iiu in- inb ini inn inp ins inu iny ipb ipi ipn ipp ips ipu ipy is- isb isi isn isp iss isu isy iu- iub iui iup ius iys iyy n-i nbb nbi nbn nbp nbs nbu nib nii nin nip nis niu nnb nni nnn nnp nns nnu npb npi npn npp nps npu nsb nsi nsn nsp nss nsu nsy nub nui nun nup nus nuu nuy nyn nyp nys nyu nyy p-p pbb pbi pbn pbp pbs pbu pby pib pii pin pip pis piu pn- pnb pni pnn pnp pns pnu pny ppb ppi ppn ppp pps ppu ps- psb psi psn psp pss psu psy pub pui pun pup pus puu puy py- pyb pyn pys pyu sbb sbi sbn sbp sbs sbu sby sib sii sin sip sis siu snb sni snn snp sns snu sny spb spi spn spp sps spu spy ss- ssb ssi ssn ssp sss ssu sub sui sun sup sus suu suy sy- syb syi syn syp sys syu ubb ubi ubn ubp ubs ubu uby uib uii uin uip uis uiu un- unb uni unn unp uns unu uny up- upb upi upn upp ups upu usb usi usn usp uss usu uun uus uuu uyi uys uyu ybi ybp ybs yby yii yin yip yis ynn ynp yns ynu yny yps ypu ysb ysi ysp yss ysu ysy yui yun yup yus yuu yuy yyb yys yyu yyy