-ing dddd ddpo didi dido digg digi digo diii diiv din- ding dini dinn dino dion diop dior dipn dipo dipp dird dirr divd divi divo dnpo dod- dodd dodg dodi dodo dog- dogg dogi dogo dogp doid doig doin dond dong doni donn dono donp donr dood doon doop door dopo dopp dopr dord dori dorn doro dorp dorr dovi dpin dpni dprg drin drip drno drod drog dron drop drvn dvdr dvi- dvii dvin dvir dvno dvor dvrp gdor gdov gggg ggpo ggrn gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipi gipp gird girg giri girn giro girr gnin gnip gnod gnoo gnrr godi godo gogi gogo goin goip gon- gond gong goni gonn gono good goog gooi goon goop goor gopi gopo gord gorg gori gorn goro gorp gorr govi gpgp gpip gprd gprp gpvi grid grig grin grip grni grod grog groi gron groo grop gror grov grrr gvvv i-go i-no iddo idgo idid idig idin idio idir idno idog idon idro idvd igni igno igon igoo igor igri iiii iiio iino iioi iioo iiop ind- indi indo ingo inid inig inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iorg iori ipdi ipid ipin ipod ipop ippo ippr ipri irdo irdp iri- irid irig irin irio irip irod iron irop irov irri ivdr ivig ivin ivod ivon ivor n-ii nddo ndnp ndop ndor ndpd ndpr ndri ngio ngon ngor ngri nidd nidi nido nigg nigo niip niir nind ning nini nino niog nion nioo nipr niro nirv nivo nivr nngn nnnn nnpi nnpr nodi nodo nogg nogo noid noin noio noir non- nong noni nonn nono noo- noon nooo noop noor noov nor- nord norg nori norn noro norr norv nov- novi novo npin npiv npov nppd npri nron nrpn nrrd nvir nvpi oddd oddi odin odio odir odon odoo odop odor odrp oggi ogin ogni ogod ogog ogoi ogon ogri ogro oido oigo oiii oion ondi ondo ongi ongo onir onni onno onod onon onor onpg oodi ooid oooo oord opii opin opio opng opo- opon opor oppi oppo ordn ordo orgn orgo ori- orid orig orin orio orni orno oro- oron oror orpi orri orro orvr ovi- ovid ovni ovo- ovod ovon ovoo ovpp pdpn pdpr pgdn pido pigg pign pigo pigp pigv piip pind ping pini pinn pino pinp pion pipi pipo pipp pirg piri pirn piro pirr pivo pnin pnon pnpo pnpp pnro pod- podd podi podo pogg pogo poid poin poio pond pong poni pono ponp pood poon poop poor pop- popi popo popp porg pori porn poro porr povo ppgi ppid ppig ppod pppd pppn pppo pppp pri- prid prig prii prin priv prnd prnp pro- prod prog pron proo prop prov prpd prrd prri rdio ridd ridi rido rigg rigi rigo riin rind ring rinn rino rion ripd ripi ripp ripr riri rivo rivp rndp rnin rnod rnpv rodd rodi rodo rogg rogi rogo roid roig roin roio roir rond rong roni rono rood roog rooi roon roop roor ropo rori roro rovi rovo rpdp rpii rpon rppn rrrr vdio vidi vido vigo vigr viii vind ving vini vino vion vipr virg viri viro virr vivi vivo vnir vodo void voin voio voip voir vond voni vonn voog voor vor- vord vori voro vpdn vpon vpro vrdi vrin vrio vrnn vron vrpn vvog vvvv