c-cd cccc cccf ccci ccdc ccdf ccdi ccdr ccfc ccfd ccff ccfi ccic ccid ccii ccir ccjo ccoc ccod ccrc ccrf ccri cd-r cddr cdic cdii cdio cfcf cfco cffr cfor cicc cici cico cicr cidc cidi cidr ciff ciid ciii cior circ ciri ciro cirr cjcj cjdc cjfr cjic cjoi cjor cjrc cjrj coco codd codi cofc coff cofi coif coir cojo cood coof cor- corc cord corf cori coro corr crcc crcr crdc crfc cric crif croc crod croo cror dccc dcci dcfc dcii dcio dddd ddoc ddrc dfcc dfco dfrf dfri dici dico didi didj dido dif- diff diii dijo dioc dior dird dirr doci doco dod- dodd dodi dodo doff doid doji dojo dood doof door dorc dord dorf dori doro dorr drfc dric drif drod drof fccf fccj fcic fcii fdic fdoc ffcc ffff ffii ffrr ficc fico fidc fidf fido fifc fiff fifi fifo fiii fiji fior fjdc foci focj foco fofo foid food foof for- ford fori forj foro forr frcc frfc fric frid frio iccc iccf icci icco iccr icdc icdd icoc icod icor icrc icrf icrr idcr iddo idfc idic idid idio idir idjc idoc idrc idrf idro ifcd ifco ific ifid ifor ifrf ifri iicd iiii iiio iioi iioo iirc ijji ioci iod- iodd iodo iofc ioii ioio ioof iooi iooo iori ircc ircd irdc irdo iri- iric irid irio iroc irod irrc irri j-ro jccc jcci jcrc jdrf jidi jido jiff jiji jird jiri jiro jjcc joco jodi jodo jofr joio joji jojo joof joor jorf joro occc occi ocro ocrr odci oddd oddi odic odio odir odoo odor ofcr ofdr off- offc offo offr ofid ofor oici oido oiii oocr oodi ooff ooid ooij ooji oooo oord orci orco ordo orff orfi ori- oric orid orif orio orji oro- orof oror orri orro rccc rcdc rcfc rcic rcid rcrd rdio rdoc rfdi rffc rfic rfid ricc rico ridc ridd ridi rido riff riif rijf riji rijo riri rjdj rocc roco rodd rodi rodo rofc roff rofo roid roif roio roir roji rojo rood roof rooi roor rorc rori roro rrfc rrif rrrr