-ing gggg ggpo ggrn gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipi gipp girg giri girn giro girr girt gito gnin gnip gnit gnoo gnrr gnti gntp gogi gogo goin goip goit gon- gong goni gonn gono goog gooi goon goop goor goot gopi gopo gorg gori gorn goro gorp gorr gort goti goto gott gpgp gpip gpot gprp grig grin grip grit grni grog groi gron groo grop gror grot grrr gtip gtop i-go i-no igni igno igon igoo igor igot igri iiii iiio iiit iino iioi iioo iiop iitr iitt ingo inig init inni inno innr ino- inoi inon inor inot inp- inpi inpp inpt inri inro intg inti intn into intp intr iogt ioii ioio ioit ioni ionn iono iooi iooo iorg iori ioto ipin ipop ippo ippr ipri ipto iri- irig irin irio irip iron irop irri irti irtp itgo itin itno itoi iton itoo itor itri itto n-ii ngio ngon ngor ngri ngtn nigg nigo nigt niip niir niit ning nini nino niog nion nioo nipr nipt niro nirt niti nito nitr nngn nnit nnnn nnot nnpi nnpr nntn nogg nogo nogt noin noio noir noit non- nong noni nonn nono nont noo- noon nooo noop noor noot nor- norg nori norn noro norr nort not- noti noto nott npin npri nprt nptn nron nrpn ntop ntto nttr oggi ogin ogni ogog ogoi ogon ogri ogro oigo oiii oint oion oirt oiti ongi ongo onir onit onni onno onon onor onpg onpt ont- onti onto oont oooo oort ootp opii opin opio opit opng opo- opon opor oppi oppo opti optn opto orgn orgo ori- orig orin orio orit orni orno oro- oron oror orot orpi orri orro orto otin otit oto- otog oton otoo otor otpp otro otti otto pigg pign pigo pigp pigt piip ping pini pinn pino pinp pint pion piot pipi pipo pipp pirg piri pirn piro pirr piti pito pitr pitt pnin pnon pnot pnpo pnpp pnro pntr pogg pogo poin poio pong poni pono ponp pont poon poop poor poot pop- popi popo popp popt porg pori porn poro porr port poti poto pott ppgi ppig pppn pppo pppp pptn pptt pri- prig prii prin prnp pro- prog pron proo prop prot prri prti prtp prtr ptop rgit rgtr rigg rigi rigo riin ring rinn rino rion riot ripi ripp ripr ript riri riti rito ritt rnin rnnt rnot rntp rogg rogi rogo roig roin roio roir roit rong roni rono ront roog rooi roon roop roor root ropo rori roro rort rotg roti rotn roto rotr rott rpii rpon rppn rptn rrrr rttp tigi tigr tiit ting tini tinn tino tint tion tiop tip- tipi tipo tipp tipt tiri tiro tirr titi tito titp titt togo togr togt toit tong toni tonn tono toon toor toot top- topi topo topp topt torg tori torn toro torp torr tort toti toto totr tott tpir tpon tppp tppr tptp tptr tri- trig trin trio trip trit trng trno trog troi tron troo trop trot trpg trpn trpp trtr tton ttop tttt