-ing cccc cccf ccci ccfc ccff ccfi ccgc ccic ccii ccir ccnc ccnf ccni ccnr ccoc ccrc ccrf ccrg ccri cfcf cfcn cfco cffr cfgn cfgo cfni cfnr cfor cfrg cfrn cgcc cgcg cgfc cgro cicc cici cico cicr ciff cifg cigi ciii cin- cinc cinf cing cini cino cion cior circ ciri ciro cirr cnci cnco cngi cnic cnrc cnrr coco cofc coff cofi cogi cogo coif coin coir con- conc conf cong coni conn cono coof coon cor- corc corf corg cori corn coro corr crcc crcr crfc cric crif crig crin croc cron croo cror fccf fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo figc figg figo fiii fing fini finn fino fion fior firn fnci foci foco fofo fogg fogi fogn fogo foin fong fono foof foon for- forg fori forn foro forr frcc frcn frfc fric frig frin frio frog fron gc-c gccc gccf gcfc gcic gcii gcrg gfcf gfci gfor ggfg gggg ggrn gicr giff gigg gigi gign gigo ging gini ginn gino giog gioi gion girg giri girn giro girr gncc gngc gnin gnof gnoo gnrc gnrr gocr goff gofr gogi gogo goif goin gon- gong goni gonn gono goof goog gooi goon goor gorf gorg gori gorn goro gorr grcc gric grif grig grin grni groc grof grog groi gron groo gror grrr i-go i-no iccc iccf icci iccn icco iccr icgc icnc icoc icon icor icrc icrf icrr ifco ific ifni ifno ifnr ifor ifrf ifri igcc igfc igni igno igon igoo igor igri iiii iiio iino iioi iioo iirc inci inco incr infi info ingo inig inni inno innr ino- inoi inon inor inri inro iocg ioci iofc ioii ioio ioni ionn iono ioof iooi iooo iorg iori ircc ircg iri- iric irig irin irio iroc iron irrc irri n-ii nccc nccf ncci nccn nccr ncfc ncgr ncnc ncoc ncor ncrc ncri nfff nfic nfon ngic ngio ngon ngor ngri nicc nicf nici nico nifc niff nigc nigg nigo niir ning nini nino niog nion nioo niro nngn nnnn noci noco nofi nogg nogo noif noin noio noir non- nong noni nonn nono noo- noon nooo noor nor- norc norf norg nori norn noro norr nrfc nric nroc nron nrrc occc occi occn ocin ocon ocro ocrr ofcr off- offc offo offr ofgo ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogri ogro oici oigo oiii oion onc- oncf onco ongi ongo onic onir onni onno onon onor oocr ooff oooo orci orco orff orfi orgn orgo ori- oric orif orig orin orio ornc orni orno oro- orof oron oror orri orro rccc rcfc rcgc rcic rcnr rcon rcrg rffc rfic ricc rico riff rigg rigi rigo riif riin rinf ring rinn rino rion riri rnco rnin rocc roco rofc roff rofo rogg rogi rogo roif roig roin roio roir ronc rong roni rono roof roog rooi roon roor rorc rori roro rrfc rrif rrrr