c-cd cccc cccf ccci cccl cccp cccu ccdc ccdf ccdi ccdp ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccip cclc ccli ccoc ccod ccpl ccpp ccuc ccup cddl cdic cdii cdio cdli cfcf cfcl cfco cfdp cfpl cfpo cicc cici cico cicu cidc cidi cidp ciff cifl ciid ciii cili cill cilo cilp cipf cipo cipp ciuc ciup clcd cldc clic clif clii clio clip clod clof cloo clop clou clpp clud coco cocp cocu codd codi codl cofc coff cofi coif coil coip col- cold coli coll colo colp colu cood coof cool coop copd copi copo copp coud coul coup cpcu cpdl cpff cpic cpif cpio cplc cppd cucc cuci cudi cufc cuff cufi cufo cui- cuif cuil culc culd cull culo culp cupl cupo cupp dccc dcci dccl dccp dccu dcfc dcii dcil dcio dcli dcop dcpl dcpo dcup dddd ddlc ddoc ddpo dfcc dfco dfcu dici dico didi dido didu dif- diff diii dilf dili dill dilo dioc diol diop diou dipc dipl dipo dipp dipu dlco dlii dlil doci doco docu dod- dodd dodi dodo doff doid doil dold dolf doli doll dolo dolp dolu dood doof dool doop dopo dopp douc doud douf doul doup dpci dpcp dpll dppc duco dudd dudo dudu dufc duff dufu duid duif duil dulc duli dull dulo dulu duo- dupo duul fccf fccp fcic fcii fcup fdic fdoc ffcc ffff ffii ficc fico fidc fidf fido fifc fiff fifi fifo fiii fiil fild fili fill filo fipp flcl flic flid flii flip floc flod floo flop flou flud fluf fluo foci foco fofo foid foil folc fold foli foll folo food foof fool fopp foud foul foup fp-c fpcc fpdl fplc fuc- fuci fudd fudi fufc fuff fufu fuid fuil fuli full fulu iccc iccf icci iccl icco iccp iccu icdc icdd icdl icdp icll iclp icoc icod icpc icpd icpo icup iddo idfc idfp idic idid idil idio idli idoc idol iduo ifcd ifco ifcp ific ifid ifil ifpo iicd iiii iiio iioi iioo iiop iipf iiuc ilcd ilic ilio ill- illd illi illo illp iloc iloo ilud ioci iocp iod- iodd iodo iofc ioii ioio iolo ioof iooi iooo iopl ipcc ipdc ipdi ipfc ipid ipil iplo ipod ipop ippc ippf ippo iucc iuiu iupp lccc lcdd lcdp lcfc lcpc lcpd lcpl ldcf ldci lddp ldif ldpc lfcc lico lidl lido liff lifl lifo liii lili lill lilo lilu lio- liod lip- lipc lipi lipl lipo lipp lipu liuf llcc lldc lldp lllc llll lloc llod lloo llud locc loci loco locu lodi loff lofi loic loid loif loiu lold loli loll lolo looc lood loof lool loop lopi lopp lopu loud loui loul loup louu lpfp lpod lppl luci ludd ludi ludo luff lufu luif luli lull lulu lupi lupo lupu luup occc occi ocfp oclc ocpd ocpp ocul odci oddd oddi odic odio odiu odoo odop odou ofcl off- offc offo offu ofid oici oido oiii oipc olcc olic olid olio olli ollo olof olpc oodi ooff ooid oold oolo oooo opic opii opio opo- oppi oppo oucc oudc oufc ouff ouii ould oulu ouu- pccc pccl pcfc pcip pcll pclo pcod pcpp pdci pdcp pdic pdlc pdoc pfff pfic pfli pfui picc pici pico picu pido piff piip pil- pild pili pill pilo pilu pipi pipo pipp plcc plff plid plif plio plip ploc plod ploo plop plou plpp plud plup pocd poco pod- podd podi podo podu poff pofi poid poil poio pold poli poll polo polu pood poof pool poop pop- popc popi popo popp poud pouf poui poul poup ppcc ppcd ppci ppic ppid ppif ppli pplo ppod pppd pppo pppp pudo pudu puff puid puiu puli pull pulo pulp pulu pupi pupl pupu puuc ucci uccp ucdc ucdd ucil ucio uddi udic udid udoo udop udpd ufcu ufip uipi ulcc ulco ulic ulli ullo ulo- uloc ulul uocc uofl uofo uolc upci updf updo upic uplo uppc uppp uppu upup uucp uulu uuoc uuuu