-ing dddd didi didu digg digi diii dili dill din- ding dini dinn dinu dipl dipn dipp dipu dlii dlil dpin dpll dpni dudd dudu dugu duid duil duin duli dull dulu dung dunn duul gggg gidd gidi gidl gigg gigi gign gild gilg gili gill ging gini ginn ginu gipi gipp gli- glid glin glip glpi glug glui glun gnin gnip gpgp gpip gudi gudu gugg gugi gugu guid guil guin guld guli gull gulp gulu gund gung gunn idid idig idil idin idli idun igil igli iglu igni ignu iiii ilin ill- illd illi illp ilni ilud ind- indi indu inid inig inni innu inp- inpi inpp inui inul inun inup ipdi ipid ipil ipin iuiu iupp lddp lgin lidl ligg ligi lign liig liii liin lilg lili lill lilu lind ling linn lip- lipi lipl lipp lipu liun lldp llll llud lndg lndn lppl ludd ludi lugg lugi lugu luin luli lull lulu lund lung luni lunn lupi lupu luup n-ii n-up ndnp ndpd nguu nidd nidi nigg niip niiu nild nili nill nilp nilu nind ning nini ninl nlgn nngn nnnn nnpi npin nppd nppl nudd nudi nuin nuli null nung nunn pdpn pgdn pgpu pgup pigg pign pigp pigu piip pil- pild pili pill pilu pind ping pini pinn pinp pinu pipi pipp pldn plid plig plin plip plpp plud plug plup pnin pnld pnln pnnl pnpp pnup ppgi ppid ppig ppli pppd pppn pppp pudu pugu puid puig puin puiu puli pull pulp pulu pund pung punu pupi pupl pupu uddi udid udig udin udpd udun ugli ugni uguu uipi ulli ulul undi ungp ungu uni- unii unin unlp unni upin upnp uppp uppu upup uulu uuni uuuu