cccc cccf cccm cccu ccfc ccff ccmc ccmm ccnc ccnf ccnm ccnr ccnu ccoc ccom ccrc ccrf ccuc cfcf cfcm cfcn cfco cffr cfmo cfmu cfnm cfnr cfom cfor cfrn cfun cmcc cmmc cmmn cmoc cmon cmrn cmrr cnco cnrc cnrr coco cocu cofc coff com- comc comm como comr comu con- conc conf conn cono coof coom coon cor- corc corf corm corn coro corr coun cour crcc crcr crfc crmn crmo croc crom cron croo cror crum crun cucc cucm cucn cufc cuff cufo cum- cuno cuon curf curn curo curr fccf fcmr ffcc ffff ffrr ffun fmno fnuf foco fofo fomc fomo fono foof foom foon for- form forn foro forr foun four frcc frcn frfc frmn from fron frou frum frun fuc- fucm fufc fuff fufu fumc fumo funf fuor fur- furm furn furo furr mccc mcfc mcmc mcrc mfcc mfor mfou mmcc mmcm mmff mmmc mmmm mmor mmrc mmrf mmun moco moff mofo mofu momo momu mon- monc monn mono monu mooc moon moor morf morn moro moru mouf moun mour mr-c mrcc mrfc mrmc mrnc mron mrrc muc- mucc mucu mufc muff mufu mumm mumo mumu munc munn muno munu muon murc murn muro murr muru nccc nccf nccn nccr nccu ncfc ncmm ncnc ncoc ncor ncrc nfcu nfff nfon nmff nmmc nmoc nmon nmrc nnmc nnnn noco nom- nomo nomu non- nonn nono nonu noo- noon nooo noor nor- norc norf norm norn noro norr noun nour nrfc nroc nron nrrc nucu nuff numm numu nunc nunn nuno nuoc nuon nurc nurn nurr nuru occc occn ocom ocon ocro ocrr ocum ocur ofcr off- offc offo offr offu ofno ofor omn- omo- omon omoo omor omro omuo onc- oncf onco onno onon onor onur oocr ooff oooo orco orff orfu ormn ormo ornc orno oro- orof orom oron oror orro orum oucc oufc ouff oun- our- ourn ouro ouu- rccc rcfc rcnr rcon rffc rmon rnco rocc roco rofc roff rofo romm romo ronc rono roof room roon roor rorc roro roru rouf roum roun rrfc rrmc rrrr rrum rrun rufc ruff rufo rumm rumo runc runf runn runo rurc ruro ruru ruun ucmc ucom ucon ucrc ufcu umff ummo umno umor uncc uncf unco unmc unmr unno unon unrf unro unum uocc uofm uofo uomo uor- urff uro- urom uroo urum urun urur uuno uuoc uuuu