-ing dddd ddot didi dido digg digi digo diii din- ding dini dinn dino dint dion dior diot dird dirr dirt diti dito ditt dntt dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doin doit dond dong doni donn dono donr dont dood doon door doot dord dori dorn doro dorr dort dotd doti doto dott drin drit drno drod drog dron drot dtng dtor dtot gdor gdrt gggg ggrn gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion gird girg giri girn giro girr girt gito gnin gnit gnod gnoo gnrr gnti godi godo gogi gogo goin goit gon- gond gong goni gonn gono good goog gooi goon goor goot gord gorg gori gorn goro gorr gort gotd goti goto gott grid grig grin grit grni grod grog groi gron groo gror grot grrr i-go i-no iddo idgo idid idig idin idio idir idno idog idon idro igni igno igon igoo igor igot igri iiii iiio iiit iino iioi iioo iitr iitt ind- indi indo ingo inid inig init inni inno innr ino- inoi inon inor inot inri inro intd intg inti intn into intr iod- iodd iodo iogt ioii ioio ioit ioni ionn iono iooi iooo iorg iori ioto irdo iri- irid irig irin irio irod iron irri irti itdo itgo itin itno itoi iton itoo itor itri itto n-ii nddo ndnt ndor ndri ngio ngon ngor ngri ngtn nidd nidi nido nigg nigo nigt niir niit nind ning nini nino niog nion nioo niro nirt niti nito nitr nngn nnit nnnn nnot nntn nodi nodo nogg nogo nogt noid noin noio noir noit non- nong noni nonn nono nont noo- noon nooo noor noot nor- nord norg nori norn noro norr nort not- noti noto nott nron nrrd ntnd ntto nttr oddd oddi odin odio odir odon odoo odor odot oggi ogin ogni ogod ogog ogoi ogon ogri ogro oido oigo oiii oint oion oirt oiti ondi ondo ongi ongo onir onit onni onno onod onon onor ont- onti onto oodi ooid oont oooo oord oort ordn ordo orgn orgo ori- orid orig orin orio orit orni orno oro- oron oror orot orri orro orto otin otit oto- otog oton otoo otor otro otti otto rdio rgit rgtr ridd ridi rido rigg rigi rigo riin rind ring rinn rino rion riot riri riti rito ritt rnin rnnt rnod rnot rntd rodd rodi rodo rogg rogi rogo roid roig roin roio roir roit rond rong roni rono ront rood roog rooi roon roor root rori roro rort rotg roti rotn roto rotr rott rrrr rtdt rtnd tdor tdri tidd tigi tigr tiit tind ting tini tinn tino tint tion tird tiri tiro tirr titi tito titt tndd todd todi todo todt togo togr togt toid toit tong toni tonn tono tood toon toor toot tord torg tori torn toro torr tort totd toti toto totr tott tri- trig trin trio trit trng trno trod trog troi tron troo trot trtr tton tttt