c-cd cccc cccf cccl cccu ccdc ccdf ccdr ccfc ccfd ccff ccfl cclc ccoc ccod ccrc ccrf ccrl ccuc cd-r cddl cddr cfcf cfcl cfco cffr cfor clcd cldc cldr clod clof cloo clor clou clrd clro clud coco cocu codd codl cofc coff col- cold coll colo colu cood coof cool cor- corc cord corf corl coro corr coud coul cour crcc crcr crdc crfc crfl crlf croc crod crol croo cror crud cucc cufc cuff cufo culc culd cull culo curd curf curl curo curr dccc dccl dccu dcfc dddd ddlc ddoc ddrc dfcc dfco dfcu dfrf dlco doco docu dod- dodd dodo doff dold dolf doll dolo dolu dood doof dool door dorc dord dorf doro dorr doru douc doud douf doul dour drfc drod drof drol drou druu duco dudd dudo dudu dufc duff dufu dulc dull dulo dulu duo- duro duru duul duur fccf fdlr fdoc ffcc ffff ffrr flcl fldr floc flod floo flor flou flud fluf fluo flur foco fofo folc fold foll folo folr food foof fool for- ford forl foro forr foud foul four frcc frfc frol frou fuc- fudd fufc fuff fufu full fulu fuor fur- furl furo furr lccc lcdd lcdr lcfc lcfr lcor lcrd lcrl ldcf lfcc lfrd llcc lldc lllc llll lloc llod lloo llud locc loco locu loff lold loll lolo looc lood loof lool loor lord loro loud loul lour louu lrdd lrfc lroc lrrc lrrr ludd ludo luff lufu lull lulu lurd occc oclc ocrl ocro ocrr ocul ocur oddd odoo odor odou odrl odur ofcl ofcr ofdr off- offc offo offr offu ofor olcc ollo olof olor olur oocr ooff oold oolo oooo oord orco ordo ordu orff orfu orlo orlu oro- orof oror orro oucc oudc oufc ouff ould oulu our- ouro ouu- rccc rcdc rcfc rcrd rdoc rffc rffl rocc roco rodd rodo rofc roff rofl rofo rold rolf roll rolo rood roof rool roor rorc roro roru roud rouf roul rrfc rrrr rudd rudl rudo rufc ruff rufo rull rulo rurc rurd ruro ruru ruud ucdc ucdd ucrc udoo ufcu ulcc ulco ullo ullr ulo- uloc ulul uocc uofl uofo uolc uor- urdu urff uro- urol uroo urur uulu uuoc uuuu