-ing ffff ffii ffrr fftf fiff fifi fifo fift figg figo fiii fing fini finn fino finp fint fion fior fipp firn fiti fitt fofo fogg fogi fogn fogo foin fong fono font foof foon foot fopp for- forg fori forn foro forr fort foti foto fotp fott fpgt fpin fprf frig frin frio frip frit frog fron frop frot ftii ftop gfor gftp ggfg gggg ggpo ggrn giff gift gigg gigi gign gigo ging gini ginn gino giog gioi gion giop gipf gipi gipp girg giri girn giro girr girt gito gnin gnip gnit gnof gnoo gnrr gnti gntp goff gofr gogi gogo goif goin goip goit gon- gong goni gonn gono goof goog gooi goon goop goor goot gopi gopo gorf gorg gori gorn goro gorp gorr gort goti goto gott gpgp gpip gpot gprp grif grig grin grip grit grni grof grog groi gron groo grop gror grot grrr gtfo gtip gtop i-go i-no ifit ifni ifno ifnr ifor ifpo ifrf ifri iftn ifto igni igno igon igoo igor igot igri iiii iiio iiit iino iioi iioo iiop iipf iitr iitt infi info infp 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 ioof iooi iooo iorg iori iotf ioto ipin ipop ippf ippo ippr ipri ipto iri- irig irin irio irip iron irop irri irtf irti irtp itgo itif itin itno itof itoi iton itoo itor itrf itri ittf itto n-ii nfff nfip nfon nfto ngio ngon ngor ngri ngtn niff nift nigg nigo nigt niip niir niit ning nini nino niog nion nioo nipr nipt niro nirt nitf niti nito nitr nngn nnit nnnn nnot nnpi nnpr nntn nofi nogg nogo nogt noif noin noio noir noit non- nong noni nonn nono nont noo- noon nooo noop noor noot nor- norf norg nori norn noro norr nort not- noti noto nott npif npin npri nprt nptn nron nrpn ntfp ntof ntop ntto nttr off- offo offr ofgo ofit ofno ofor oftp ogfr 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 ooff oont oooo oort ootp opii opin opio opit opng opo- opon opor oppi oppo opti optn opto orff orfi orgn orgo ori- orif orig orin orio orit orni orno oro- orof oron oror orot orpi orri orro orto otfp otif otin otit oto- otof otog oton otoo otor otpp otro otti otto pfff pffr pfft pfit piff pigf pigg pign pigo pigp pigt piip ping pini pinn pino pinp pint pion piot pipi pipo pipp pirg piri pirn piro pirr pitf piti pito pitr pitt pnin pnon pnot pnpo pnpp pnro pntr poff pofi pogg pogo poin poio pong poni pono ponp pont poof poon poop poor poot pop- popi popo popp popt porg pori porn poro porr port potf poti poto pott ppgi ppif ppig pppn pppo pppp pprf pptn pptt pri- prif prig prii prin prnp pro- prof prog pron proo prop prot prri prti prtp prtr ptop ptrf rgit rgtr riff rift rigg rigi rigo riif riin rinf ring rinn rino rion riot ripi ripp ripr ript riri riti rito ritt rnin rnnt rnot rntp roff rofo rogg rogi rogo roif roig roin roio roir roit rong roni rono ront roof roog rooi roon roop roor root ropo rori roro rort rotg roti rotn roto rotr rott rpii rpof rpon rppn rptn rrif rrrr rttp tfin tfnp tfot tfpt tftp tgif tiff tifo tift tigi tigr tiit ting tini tinn tino tint tion tiop tip- tipi tipo tipp tipt tiri tiro tirr titi tito titp titt toff tofi tofo toft togo togr togt toit tong toni tonn tono toof toon toor toot top- topf topi topo topp topt torf torg tori torn toro torp torr tort toti toto totr tott tpir tpon tppp tppr tptp tptr trfr tri- trif trig trin trio trip trit trng trno trog troi tron troo trop trot trpg trpn trpp trtr ttff ttfn tton ttop tttt