-ing dddd didi dido didu digg digi digo diii din- ding dini dinn dino dinu dion dior diou dird dirr dod- dodd dodg dodi dodo dog- dogg dogi dogo dogu doid doig doin dond dong doni donn dono donr dood doon door dord dori dorn doro dorr doru doud doug doun dour drin drno drod drog dron drou drug drui druu dudd dudo dudu dugu duid duin duir dung dunn duno duo- duon durg duri durn duro duru duur gdor gggg ggrn gidd gidi gido gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion gird girg giri girn giro girr giru giur gnin gnod gnoo gnrr godi godo gogi gogo goin gon- gond gong goni gonn gono gonu good goog gooi goon goor gord gorg gori gorn goro gorr gou- goud goug goun gour grid grig grin grni grod grog groi gron groo gror grou grrr grug grui grun grur gudi gudo gudu gugg gugi gugu guid guin gund gung gunn gurd gurg guri gurn guro gurr guru i-go i-no iddo idgo idid idig idin idio idir idno idog idon idro idun iduo igni igno ignu igon igoo igor igri iiii iiio iino iioi iioo ind- indi indo indu ingo inid inig inni inno innr innu ino- inoi inon inor inou inri inro inui inun iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iorg iori ioug ioun irdo iri- irid irig irin irio irod iron irri irun iuiu iuno n-ii nddo ndor ndri ngio ngon ngor ngou ngri ngur nguu nidd nidi nido nigg nigo niir niiu nind ning nini nino niog nion nioo niou niro niru niur nngn nnnn nodi nodo nodu nogg nogo noid noin noio noir non- nong noni nonn nono nonu noo- noon nooo noor nor- nord norg nori norn noro norr noun nour nron nrrd nudd nudi nudo nuin nung nunn nuno nuon nurd nuri nurn nurr nuru oddd oddi odin odio odir odiu odon odoo odor odou odur oggi ogin ogni ogod ogog ogoi ogon ogou ogri ogro ogui ogun oido oigo oiii oion ondi ondo ongi ongo ongu onir onni onno onod onon onor onur oodi ooid oooo oord ordn ordo ordu orgn orgo ori- orid orig orin orio orni orno oro- oron oror orri orro ouii ouin ouir oun- ound oung our- ourn ouro ouu- rdio ridd ridi rido rigg rigi rigo rigu riin rind ring rinn rino rion riou riri rnin rnod rodd rodi rodo rogg rogi rogo roid roig roin roio roir roiu rond rong roni rono rood roog rooi roon roor rori roro roru roud roun rrrr rrun rudd rudi rudo rugg rugi ruid ruin rund rung runi runn runo rurd ruri ruro ruru ruud ruun uddi udid udig udin udir udon udoo udun uggo ugni ugod ugri ugro ugur uguu uirr undi undo ungo ungu uni- unii unin unio unir unni unno unon unro uor- urdu urgi urgu urin uriu urni uro- uroo urri urun urur uuni uuno uuri uuuu