-ing dddd didi dido digg digi digo diii din- ding dini dinn dino dion dior dird dirr dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doin dond dong doni donn dono donr dood doon door dord dori dorn doro dorr drin drno drod drog dron gdor gggg ggrn gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion gird girg giri girn giro girr gnin gnod gnoo gnrr godi godo gogi gogo goin gon- gond gong goni gonn gono good goog gooi goon goor gord gorg gori gorn goro gorr grid grig grin grni grod grog groi gron groo gror grrr i-go i-no iddo idgo idid idig idin idio idir idno idog idon idro igni igno igon igoo igor igri iiii iiio iino iioi iioo ind- indi indo ingo inid inig inni inno innr ino- inoi inon inor inri inro iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iorg iori irdo iri- irid irig irin irio irod iron irri n-ii nddo ndor ndri ngio ngon ngor ngri nidd nidi nido nigg nigo niir nind ning nini nino niog nion nioo niro nngn nnnn nodi nodo nogg nogo noid noin noio noir non- nong noni nonn nono noo- noon nooo noor nor- nord norg nori norn noro norr nron nrrd oddd oddi odin odio odir odon odoo odor oggi ogin ogni ogod ogog ogoi ogon ogri ogro oido oigo oiii oion ondi ondo ongi ongo onir onni onno onod onon onor oodi ooid oooo oord ordn ordo orgn orgo ori- orid orig orin orio orni orno oro- oron oror orri orro rdio ridd ridi rido rigg rigi rigo riin rind ring rinn rino rion riri rnin rnod rodd rodi rodo rogg rogi rogo roid roig roin roio roir rond rong roni rono rood roog rooi roon roor rori roro rrrr