-ing ffff ffii ffrr fiff fifi fifo figg figl figo fiii fiil fili fill filn filo fing fini finn fino finp fion fior fipp firn flig flii flin flip flog flon floo flop flor fofo fogg fogi fogl fogn fogo foil foin foli foll folo folr fong fono foof fool foon fopp for- forg fori forl forn foro forr fpin fprf fr-v frig fril frin frio frip frog frol fron frop gfor ggfg gggg ggpo ggrn giff gigg gigi gign gigo gilf gilg gili gill gilo ging gini ginn gino giog gioi gion giop gipf gipi gipp girg giri girl girn giro girr gli- glin glip glof glog glop glor glpi glro gnin gnip gnof gnoo gnrr goff gofr gogi gogo goif goin goip golf goli goll golo golp gon- gong goni gonn gono goof goog gooi gool goon goop goor gopi gopo gorf gorg gori gorn goro gorp gorr govi gpgp gpip gprp gpvi grif grig gril grin grip grni grof grog groi grol gron groo grop gror grov grrl grrr gvvv i-go i-no ifil ifni ifno ifnr ifor ifpo ifrf ifri igil igli iglo igni igno igon igoo igor igri iiii iiio iino iioi iioo iiop iipf ilin ilio ilir ill- illi illo illp ilni ilno ilog iloo ilpr infi infl info infp ingo inig inni inno innr ino- inoi inol inon inor inp- inpi inpp inri inro ioii ioio iolo ioni ionn iono ioof iooi iooo iopl iorg iori ipil ipin iplo ipop ippf ippo ippr ipri iri- irig iril irin irio irip iron irop irov irri ivig ivin ivon ivor lfng lgfl lgin lgov liff lifg lifl lifo ligg ligi lign ligo liig liii liin liir liiv lilg lili lill lilo ling linn lino lio- lion lior lip- lipi lipl lipo lipp lirg liri lirl lirn liro lirp lirr livi livo llll lloo lo-v loff lofi lofn log- logi logo logp loif loin loir loli loll lolo long loni lono lonr loof lool loon loop loor lopi lopp lori lorn loro lovo lpfp lppl lprp lrif lroi lron lrrr lvii lviv lvov lvrr n-ii nfff nfip nfon ngio ngol ngon ngor ngri niff nigg nigo niip niir nili nill nilo nilp ning nini ninl nino niog nion nioo nipr niro nirv nivo nivr nlgn nlrp nngn nnnn nnpi nnpr nofi nogg nogo noif noil noin noio noir nolf noli noll nolo nolp non- nong noni nonn nono noo- nool noon nooo noop noor noov nor- norf norg nori norn noro norr norv nov- novi novo npif npin npiv npov nppl npri nron nrpn nrrl nvfr nvir nvpi off- offo offr ofgo ofno ofor ogfr oggi ogin ogli ogni ognl ogog ogoi ogon ogpl ogri ogro oigo oiii oion olgr olig olin olio olli ollo olof olog olon olor olov olvi ongi ongo onil onir onlf onni onno onon onor onpg ooff oolo oooo opii opin opio opng opo- opon opor oppi oppo orff orfi orgn orgo ori- orif orig oril orin orio orlo orni orno oro- orof oron oror orpi orri orro orvr ovfl ovi- ovil ovni ovo- ovol ovon ovoo ovpp pfff pffr pfli pglo piff pigf pigg pign pigo pigp pigv piip pil- pili pill pilo ping pini pinn pino pinp pion pipi pipo pipp pirg piri pirl pirn piro pirr pivo plff plif plig plin plio plip plog plon ploo plop plov plpp plri plvi pnin pnln pnnl pnon pnpo pnpp pnro poff pofi pogg pogo poil poin poio polg poli poll polo pong poni pono ponp poof pool poon poop poor pop- popi popo popp porg pori porn poro porr povl povo ppgi ppif ppig ppli pplo pppn pppo pppp pprf pri- prif prig prii prin priv prlr prnp pro- prof prog prol pron proo prop prov prri pvlv rffl riff rigg rigi rigo riif riin rill rilo rilp rinf ring rinn rino riol rion ripi ripl ripp ripr riri rivo rivp rlif rlin rnin rnli rnpv roff rofl rofo rogg rogi rogo roif roig roil roin roio roir rolf roll rolo rolp rong roni rono roof roog rooi rool roon roop roor ropo rori roro rovi rovo rpii rpof rpon rppn rrif rrrr vfli vflo vfor viff vigo vigr viii vili vill ving vini vino viol vion vipr virg viri virl viro virr vivi vivo vlli vlog vnir voff vofr vogl voil voin voio voip voir volf voli voll volo volp voni vonn voog vool voor vor- vori voro vplp vpon vpro vril vrin vrio vrnn vron vrpn vvog vvvv