dddd didi didu diii dili dill din- dini dinn dinu dipl dipn dipp dipu dlii dlil dpin dpll dpni dudd dudu duid duil duin duli dull dulu dunn duul idid idil idin idli idun iiii ilin ill- illd illi illp ilni ilud ind- indi indu inid inni innu inp- inpi inpp inui inul inun inup ipdi ipid ipil ipin iuiu iupp lddp lidl liii liin lili lill lilu lind linn lip- lipi lipl lipp lipu liun lldp llll llud lndn lppl ludd ludi luin luli lull lulu lund luni lunn lupi lupu luup n-ii n-up ndnp ndpd nidd nidi niip niiu nild nili nill nilp nilu nind nini ninl nnnn nnpi npin nppd nppl nudd nudi nuin nuli null nunn pdpn piip pil- pild pili pill pilu pind pini pinn pinp pinu pipi pipp pldn plid plin plip plpp plud plup pnin pnld pnln pnnl pnpp pnup ppid ppli pppd pppn pppp pudu puid puin puiu puli pull pulp pulu pund punu pupi pupl pupu uddi udid udin udpd udun uipi ulli ulul undi uni- unii unin unlp unni upin upnp uppp uppu upup uulu uuni uuuu