-up ddd ddi ddn ddp ddu di- did dii din dip diu dnd dni dnn dnp dpd dpi dpn dpp dpu dud dui dun dup i-d idd idi idn idp idu iid iii iin iip iiu in- ind ini inn inp inu ipd ipi ipn ipp ipu iu- iud iui iup n-i ndd ndi ndn ndp ndu nid nii nin nip niu nni nnn nnp nnu npd npi npn npp npu nud nui nun nup nuu p-p pdd pdi pdn pdp pdu pid pii pin pip piu pn- pnd pni pnn pnp pnu ppd ppi ppn ppp ppu pud pui pun pup puu udd udi udn udp udu uid uii uin uip uiu un- und uni unn unp unu up- upd upi upn upp upu uun uuu