-ing cccc cccf ccci ccfc ccff ccfi ccgc ccgt ccic ccii ccir ccnc ccnf ccni ccnr ccoc ccrc ccrf ccrg ccri ccrt cctc cctt cfcf cfcn cfco cffr cfgn cfgo cfit cfni cfnr cfor cfrg cfrn cfrt cftc cftr cgcc cgcg cgfc cgro cicc cici cico cicr cict ciff cifg cigi ciii ciit cin- cinc cinf cing cini cino cint cion cior circ ciri ciro cirr cirt citf citg citi cito citt cnci cnco cngi cnic cnrc cnrr cnrt cntc cntf cntr coco coct cofc coff cofi coft cogi cogo coif coin coir coit con- conc conf cong coni conn cono cont coof coon coot cor- corc corf corg cori corn coro corr cort cotc coti cotn coto cott crcc crcr crfc cric crif crig crin crit croc cron croo cror crot crrt crtc crtf ctcf ctfc ctfo ctgf ctic ctor ctot ctrc ctrn cttn fccf fcic fcii fcot fcto ffcc ffff ffii ffrr fftf ficc fico fict fifc fiff fifi fifo fift figc figg figo fiii fing fini finn fino fint fion fior firn fitc fiti fitt fnci foci foco fofo fogg fogi fogn fogo foin fong fono font foof foon foot for- forg fori forn foro forr fort foti foto fott frcc frcn frfc fric frig frin frio frit frog fron frot ft-c ftfc ftii gc-c gccc gccf gcfc gcic gcii gcrg gctc gfcf gfci gfor ggfg gggg ggrn gicr giff gift gigg gigi gign gigo ging gini ginn gino giog gioi gion girg giri girn giro girr girt gito gncc gngc gnin gnit gnof gnoo gnrc gnrr gnti gocr goff gofr gogi gogo goif goin goit gon- gong goni gonn gono goof goog gooi goon goor goot gorf gorg gori gorn goro gorr gort goti goto gott grcc gric grif grig grin grit grni groc grof grog groi gron groo gror grot grrr grtc gtco gtcr gtfc gtfo i-go i-no iccc iccf icci iccn icco iccr icct icgc icnc icoc icon icor icrc icrf icrr icrt ifco ific ifit ifni ifno ifnr ifor ifrf ifri iftn ifto igcc igfc igni igno igon igoo igor igot igri iiii iiio iiit iino iioi iioo iirc iitr iitt inci inco incr infi info ingo inig init inni inno innr ino- inoi inon inor inot inri inro intg inti intn into intr iocg ioci iofc iogt ioii ioio ioit ioni ionn iono ioof iooi iooo iorg iori iotf ioto ircc ircg iri- iric irig irin irio iroc iron irrc irri irtf irti itgc itgo itic itif itin itno itof itoi iton itoo itor itrf itri ittf itto n-ii nccc nccf ncci nccn nccr ncct ncfc ncgr ncit ncnc ncoc ncor ncrc ncri nctc nctr nfct nfff nfic nfon nftc nfto ngic ngio ngon ngor ngri ngtn nicc nicf nici nico nifc niff nift nigc nigg nigo nigt niir niit ning nini nino niog nion nioo niro nirt nitc nitf niti nito nitr nngn nnit nnnn nnot nntn noci noco noct nofi nogg nogo nogt noif noin noio noir noit non- nong noni nonn nono nont noo- noon nooo noor noot nor- norc norf norg nori norn noro norr nort not- noti noto nott nrfc nric nroc nron nrrc ntcc ntfc ntof ntrc ntto nttr occc occi occn occt ocin ocon ocro ocrr oct- octi octo ofcr off- offc offo offr ofgo ofit ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogri ogro oici oigo oiii oint oion oirt oitc oiti onc- oncf onco onct ongi ongo onic onir onit onni onno onon onor ont- ontc onti onto oocr ooff oont oooo oort orci orco orff orfi orgn orgo ori- oric orif orig orin orio orit ornc orni orno oro- orof oron oror orot orri orro ortc orto otfc otic otif otin otit oto- otof otog oton otoo otor otro otti otto rccc rcfc rcgc rcic rcnr rcon rcrg rctc rctg rcti rffc rfic rftc rgit rgtr ricc rico rict riff rift rigg rigi rigo riif riin rinf ring rinn rino rion riot riri riti rito ritt rnco rnin rnnt rnot rocc roco rofc roff rofo rogg rogi rogo roif roig roin roio roir roit ronc rong roni rono ront roof roog rooi roon roor root rorc rori roro rort rotc rotg roti rotn roto rotr rott rrfc rrif rrrr rtcc rtcg rtfc tccc tcfc tcfg tcnn tcon tctc tfin tfot tftc tgcc tgif tgtc ticc tico tiff tifo tift tigi tigr tiit tinc ting tini tinn tino tint tion tiri tiro tirr titc titi tito titt tncc tnfc toci toco toff tofi tofo toft togo togr togt toit tong toni tonn tono toof toon toor toot torc torf torg tori torn toro torr tort totc toti toto totr tott trcc trfc trfr tri- tric trif trig trin trio trit trng trno troc trog troi tron troo trot trtc trtr ttcn ttfc ttff ttfn tton tttt