-ing dddd didi didu dif- diff digg digi diii din- ding dini dinn dinu dudd dudu duff dufu dugu duid duif duin dung dunn ffff ffii ffun fidf fiff fifi figg fiii find fing fini finn fndd fndg fndn fnuf fudd fudi fuff fufu fugi fugu fuid fuig fund funf fung gdnf ggfg gggg gidd gidi giff gifu gigg gigi gign ging gini ginn ginu gnin gudi gudu guff gugg gugi gugu guid guin gund gung gunn idgf idid idig idin idun ifid ifni igni ignu iiii ind- indi indu infi inid inig inni innu inui inun iuiu n-ii ndfi nfff nguu nidd nidi niff nigg niiu nind ning nini nngn nnnn nudd nudi nuff nuin nung nunn uddi udid udig udin udun ugni uguu undi unfd ungu uni- unif unii unin unni uuni uuuu