-up b-p b-u bbb bbd bbi bbn bbp bbu bdb bdd bdi bdp bdu bi- bib bid bii bin bip biu bnb bnd bni bnn bnp bnu bpb bpd bpi bpn bpp bpu bub bud bui bun bup buu dbb dbd dbi dbn dbp dbu ddb ddd ddi ddn ddp ddu di- dib did dii din dip diu dnb dnd dni dnn dnp dpb dpd dpi dpn dpp dpu dub dud dui dun dup i-d ibb ibd ibi ibn ibp ibu idb idd idi idn idp idu iib iid iii iin iip iiu in- inb ind ini inn inp inu ipb ipd ipi ipn ipp ipu iu- iub iud iui iup n-i nbb nbd nbi nbn nbp nbu ndb ndd ndi ndn ndp ndu nib nid nii nin nip niu nnb nni nnn nnp nnu npb npd npi npn npp npu nub nud nui nun nup nuu p-p pbb pbd pbi pbn pbp pbu pdb pdd pdi pdn pdp pdu pib pid pii pin pip piu pn- pnb pnd pni pnn pnp pnu ppb ppd ppi ppn ppp ppu pub pud pui pun pup puu ubb ubi ubn ubp ubu udb udd udi udn udp udu uib uid uii uin uip uiu un- unb und uni unn unp unu up- upb upd upi upn upp upu uun uuu