-up b-p b-u bbb bbi bbk bbn bbp bbs bbu bi- bib bii bik bin bip bis biu bkb bkk bkn bkp bks bnb bni bnk bnn bnp bns bnu bpb bpi bpn bpp bps bpu bsb bsi bsk bsn bsp bss bsu bub bui buk bun bup bus buu ibb ibi ibk ibn ibp ibs ibu iib iii iin iip iis iiu ikb iki ikk iks iku in- inb ini ink inn inp ins inu ipb ipi ipn ipp ips ipu is- isb isi isk isn isp iss isu iu- iub iui iup ius kbb kbi kbk kbn kbp kbs kbu kib kii kik kin kip kis kiu kkb kki kkk kkn kkp kks kku kn- kni knk knn knp knu kpi kpk kpn kpp kps kpu ksb ksi ksk ksn ksp kss ksu kub kui kuk kun kup kus kuu n-i nbb nbi nbk nbn nbp nbs nbu nib nii nik nin nip nis niu nki nkk nkn nkp nks nku nnb nni nnk nnn nnp nns nnu npb npi npn npp nps npu nsb nsi nsk nsn nsp nss nsu nub nui nuk nun nup nus nuu p-p pbb pbi pbk pbn pbp pbs pbu pib pii pik pin pip pis piu pkb pki pkn pkp pks pku pn- pnb pni pnk pnn pnp pns pnu ppb ppi ppk ppn ppp pps ppu ps- psb psi psk psn psp pss psu pub pui puk pun pup pus puu sbb sbi sbk sbn sbp sbs sbu sib sii sik sin sip sis siu sk- skb ski skk skp sks sku snb sni snk snn snp sns snu spb spi spk spn spp sps spu ss- ssb ssi ssk ssn ssp sss ssu sub sui suk sun sup sus suu ubb ubi ubk ubn ubp ubs ubu uib uii uin uip uis uiu ukb uki ukk ukn ukp uku un- unb uni unk unn unp uns unu up- upb upi upk upn upp ups upu usb usi usk usn usp uss usu uun uus uuu