bbbb bbfc bblb bcbc bcbg bccc bccl bcfc bcof bcuc bffl bfgf bgfc blcu blfc blob bloc blog bloo blou blub bluf bobb bobo bobu boco bocu boff bofu bogg bogo bolg boll bolo bolu boob booc boof boog bool bouf boul bubb bubo bubu bucc buco bucu bufc buff bufo bugg bugo bulb bulg bull bulu buol c-bo cbbc cbcc cbcl cbcu cbfb cbfc cbgb cblb cblc cbol ccbc cccb cccc cccf cccl cccu ccfc ccff ccfl ccgc cclc cclg ccob ccoc ccuc cfbc cfcb cfcf cfcl cfco cffb cfgo cgcc cgcg cgfc clob clof clog cloo clou club cobb cobo cobu coco cocu cofc coff cogo col- colb coll colo colu coob coof cool coub coul cub- cubb cucc cufc cuff cufo culb culc cull culo fccf ffcc ffff flcl flob floc flog floo flou flub fluf fluo foco fofo fogg fogl fogo folc foll folo foof fool foug foul fubb fubu fuc- fufc fuff fufu fugo fugu full fulu gbbo gbfc gc-c gcbc gccc gccf gcfc gclc gfcf ggcl ggfg gggg glbc glcc glfc glob glof glog glou glub glug gobl gobo goff gofu gogo golf goll golo golu goof goog gool gou- gouf goug goul gubb gubu gufc guff gugb gugg gugu gulb gulf gull gulo gulu lbcc lbug lcbc lccc lcfc lcfg lfcc lgbu lgfl llcc llgc lllc llll lloc lloo lob- lobb lobo locc loco locu loff log- logb logo loll lolo loob looc loof lool loul louu luff lufu lugg lugo lugu lull lulu obbo oblu obol ocbc occc oclc ocul ofcl off- offc offo offu ofgo ogb ogog ogou olbo olcc olgc ollo olof olog ooff oolo oooo oucc oufc ouff oulu ouu- ubbo ublo uboc ucbc ucfb ufcu ugcc ugcg uggo ugol uguu ulbc ulcc ulco ullo ulo- uloc ulog ulul uocc uofg uofl uofo uolc uulu uuoc uuuu