-up b-p b-u bbb bbi bbk bbn bbo bbp bbu bi- bib bii bik bin bio bip biu bkb bkk bkn bko bkp bnb bni bnk bnn bno bnp bnu bob boi bok bon boo bop bou bpb bpi bpn bpo bpp bpu bub bui buk bun buo bup buu ibb ibi ibk ibn ibo ibp ibu iib iii iin iio iip iiu ikb iki ikk iko iku in- inb ini ink inn ino inp inu io- iob ioi ion ioo iop iou ipb ipi ipn ipo ipp ipu iu- iub iui iup kbb kbi kbk kbn kbo kbp kbu kib kii kik kin kio kip kiu kkb kki kkk kkn kkp kku kn- kni knk knn kno knp knu kob koi kok kon koo kop kou kpi kpk kpn kpo kpp kpu kub kui kuk kun kup kuu n-i nbb nbi nbk nbn nbo nbp nbu nib nii nik nin nio nip niu nki nkk nkn nko nkp nku nnb nni nnk nnn nno nnp nnu no- nob noi nok non noo nop nou npb npi npn npo npp npu nub nui nuk nun nuo nup nuu o-i ob- obb obi obk obn obo obp obu oib oii oik oin oio oip oiu okb oki okk oko okp oku on- onb oni onk onn ono onp onu oo- oob ooi ook oon ooo oop op- opb opi opk opn opo opp ou- oui ouk oun ouo oup p-p pbb pbi pbk pbn pbo pbp pbu pib pii pik pin pio pip piu pkb pki pkn pko pkp pku pn- pnb pni pnk pnn pno pnp pnu pob poi pok pon poo pop pou ppb ppi ppk ppn ppo ppp ppu pub pui puk pun pup puu ubb ubi ubk ubn ubo ubp ubu uib uii uin uio uip uiu ukb uki ukk ukn ukp uku un- unb uni unk unn uno unp unu uob uok uon uoo uop up- upb upi upk upn upo upp upu uun uuu