-up ddd ddi ddn ddp ddu ddw di- did dii din dip diu diw dnd dni dnn dnp dnw dpd dpi dpn dpp dpu dpw dud dui dun dup dwi dwn dwp dwu dww i-d idd idi idn idp idu idw iid iii iin iip iiu iiw in- ind ini inn inp inu ipd ipi ipn ipp ipu iu- iud iui iup iwd iwi iwp iwu iww n-i ndd ndi ndn ndp ndu nid nii nin nip niu nni nnn nnp nnu nnw npd npi npn npp npu npw nud nui nun nup nuu nwd nwi nwn nwp nwu p-p pdd pdi pdn pdp pdu pid pii pin pip piu piw pn- pnd pni pnn pnp pnu pnw ppd ppi ppn ppp ppu ppw pud pui pun pup puu pwd pwi pwn pwp pwu udd udi udn udp udu uid uii uin uip uiu un- und uni unn unp unu unw up- upd upi upn upp upu upw uun uuu uwn uwp uww wdi wdp wdu wid wii win wip wiu wn- wnd wnn wnp wnu wnw wpd wpi wpn wpp wpu wud wun wup wwd wwi wwn wwp wwu www