-ing cccc cccf ccci cccu ccfc ccff ccfi ccgc ccic ccii ccir ccnc ccnf ccni ccnr ccnu ccoc ccrc ccrf ccrg ccri ccuc cfcf cfcn cfco cffr cfgn cfgo cfni cfnr cfor cfrg cfrn cfun cgcc cgcg cgfc cgro cicc cici cico cicr cicu ciff cifg cigi cigu ciii cin- cinc cinf cing cini cino cion cior circ ciri ciro cirr ciuc cnci cnco cngi cnic cnrc cnrr coco cocu 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 coun cour crcc crcr crfc cric crif crig crin criu croc cron croo cror crug crun cucc cuci cucn cufc cuff cufi cufo cui- cuif cuin cuir cuno cuon curf curi curn curo curr fccf fcic fcii ffcc ffff ffii ffrr ffun ficc fico fifc fiff fifi fifo figc figg figo fiii fing fini finn fino fion fior firn fnci fnuf foci foco fofo fogg fogi fogn fogo foin fong fono foof foon for- forg fori forn foro forr foug foun four frcc frcn frfc fric frig frin frio frog fron frou frug frun fuc- fuci fufc fuff fufu fugi fugo fugu fuig fuir funf fung fuor fur- furg furi furn furo furr gc-c gccc gccf gcfc gcic gcii gcrg gfcf gfci gfor ggfg gggg ggrn gicr giff gifu gigg gigi gign gigo ging gini ginn gino ginu giog gioi gion girg giri girn giro girr giru giur gncc gngc gnin gnof gnoo gnrc gnrr gocr goff gofr gofu gogi gogo goif goin gon- gong goni gonn gono gonu goof goog gooi goon goor gorf gorg gori gorn goro gorr gou- gouf goug goun gour grcc gric grif grig grin grni groc grof grog groi gron groo gror grou grrr gruf grug grui grun grur guci gufc guff gugg gugi gugu guin gung gunn gurg guri gurn guro gurr guru i-go i-no iccc iccf icci iccn icco iccr iccu icgc icnc icoc icon icor icrc icrf icrr icru ifco ific ifni ifno ifnr ifor ifrf ifri igcc igfc igni igno ignu igon igoo igor igri iiii iiio iino iioi iioo iirc iiuc inci inco incr infi info ingo inig inni inno innr innu ino- inoi inon inor inou inri inro inui inun iocg ioci iofc ioii ioio ioni ionn iono ioof iooi iooo iorg iori ioug ioun ircc ircg ircu irfu iri- iric irig irin irio iroc iron irrc irri irun iucc iuiu iuno n-ii nccc nccf ncci nccn nccr nccu ncfc ncgr ncnc ncoc ncor ncrc ncri nfcu nfff nfic nfon ngic ngio ngon ngor ngou ngri ngur nguu nicc nicf nici nico nicu nifc niff nigc nigg nigo niir niiu ning nini nino niog nion nioo niou niro niru niur nngn nnnn noci noco nofi nogg nogo noif noin noio noir non- nong noni nonn nono nonu noo- noon nooo noor nor- norc norf norg nori norn noro norr noun nour nrfc nric nroc nron nrrc nuci nucu nuff nuin nunc nung nunn nuno nuoc nuon nurc nuri nurn nurr nuru occc occi occn ocin ocon ocro ocrr ocur ofcr off- offc offo offr offu ofgo ofno ofor ogfr oggi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogun oici oigo oiii oion onc- oncf onco ongi ongo ongu onic onir onni onno onon onor onur oocr ooff oooo orci orco orff orfi orfu orgn orgo ori- oric orif orig orin orio ornc orni orno oro- orof oron oror orri orro oucc oufc ouff ouii ouin ouir oun- oung our- ourn ouro ouu- rccc rcfc rcgc rcic rcnr rcon rcrg rffc rfic ricc rico riff rifu rigg rigi rigo rigu riif riin rinf ring rinn rino rion riou riri rnco rnin rocc roco rofc roff rofo rogg rogi rogo roif roig roin roio roir roiu ronc rong roni rono roof roog rooi roon roor rorc rori roro roru rouf roun rrfc rrif rrrr rrun ruci rufc ruff rufo rugg rugi ruif ruin runc runf rung runi runn runo rurc ruri ruro ruru ruun ucci ucin ucio ucon ucrc ufcu ugcc ugcg uggo ugni ugri ugro ugur uguu uirr uncc uncf uncg unci unco ungo ungu uni- unic unif unii unin unio unir unni unno unon unrf unro uocc uofg uofo uor- urci urff urfi urgi urgu uric urif urin uriu urni uro- uroo urri urun urur uuni uuno uuoc uuri uuuu