-ing dddd didi dido didu dif- diff digg digi digo diii din- ding dini dinn dino dinu dion diou dod- dodd dodg dodi dodo doff dog- dogg dogi dogo dogu doid doig doin dond dong doni donn dono dood doof doon doud douf doug doun dudd dudo dudu duff dufu dugu duid duif duin dung dunn duno duo- duon ffff ffii ffun fidf fido fiff fifi fifo figg figo fiii find fing fini finn fino fion fndd fndg fndn fnuf fofo fogg fogi fogn fogo foid foin fond fong fono food foof foon foud foug foun fudd fudi fuff fufu fugi fugo fugu fuid fuig fund funf fung gdnf ggfg gggg gidd gidi gido giff gifu gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gnin gnod gnof gnoo godi godo goff gofu gogi gogo goif goin gon- gond gong goni gonn gono gonu good goof goog gooi goon gou- goud gouf goug goun gudi gudo gudu guff gugg gugi gugu guid guin gund gung gunn i-go i-no iddo idgf idgo idid idig idin idio idno idog idon idun iduo ifid ifni ifno igni igno ignu igon igoo iiii iiio iino iioi iioo ind- indi indo indu infi info ingo inid inig inni inno innu ino- inoi inon inou inui inun iod- iodd iodo ioii ioio ioni ionn iono ioof iooi iooo ioug ioun iuiu iuno n-ii nddo ndfi nfff nfon ngio ngon ngou nguu nidd nidi nido niff nigg nigo niiu nind ning nini nino niog nion nioo niou nngn nnnn nodi nodo nodu nofi nogg nogo noid noif noin noio non- nong noni nonn nono nonu noo- noon nooo noun nudd nudi nudo nuff nuin nung nunn nuno nuon oddd oddi odin odio odiu odon odoo odou off- offo offu ofgo ofid ofno oggi ogin ogni ogod ogog ogoi ogon ogou ogui ogun oido oigo oiii oion ondi ondo ongi ongo ongu onni onno onod onon oodi ooff ooid oooo ouff ouii ouin oun- ound oung ouu- uddi udid udig udin udon udoo udun uggo ugni ugod uguu undi undo unfd ungo ungu uni- unif unii unin unio unni unno unon uofg uofo uuni uuno uuuu