c-cd cccc cccf ccci cccl ccdc ccdf ccdi ccdr ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccir cclc ccli ccoc ccod ccrc ccrf ccri ccrl cd-r cddl cddr cdic cdii cdio cdli cfcf cfcl cfco cffr cfor cicc cici cico cicr cidc cidi cidr ciff cifl ciid ciii cili cill cilo cior circ ciri cirl ciro cirr clcd cldc cldr clic clif clii clio clir clod clof cloo clor clrd clri clro coco codd codi codl cofc coff cofi coif coil coir col- cold coli coll colo cood coof cool cor- corc cord corf cori corl coro corr crcc crcr crdc crfc crfl cric crif crlf croc crod crol croo cror dccc dcci dccl dcfc dcii dcil dcio dcli dddd ddlc ddoc ddrc dfcc dfco dfrf dfri dici dico didi dido dif- diff diii dilf dili dill dilo dioc diol dior dird dirl dirr dlco dlii dlil doci doco dod- dodd dodi dodo doff doid doil dold dolf doli doll dolo dood doof dool door dorc dord dorf dori doro dorr drfc dric drif dril drod drof drol fccf fcic fcii fdic fdlr fdoc ffcc ffff ffii ffrr ficc fico fidc fidf fido fifc fiff fifi fifo fiii fiil fild fili fill filo fior flcl fldr flic flid flii floc flod floo flor foci foco fofo foid foil folc fold foli foll folo folr food foof fool for- ford fori forl foro forr frcc frfc fric frid fril frio frol iccc iccf icci iccl icco iccr icdc icdd icdl icll iclr icoc icod icor icrc icrf icrr idcr iddo idfc idic idid idil idio idir idli idoc idol idrc idrf idro ifcd ifco ific ifid ifil ifor ifrf ifri iicd iiii iiio iioi iioo iirc ilcd ilic ilio ilir ill- illd illi illo iloc iloo ioci iod- iodd iodo iofc ioii ioio iolo ioof iooi iooo iori ircc ircd irdc irdo iri- iric irid iril irio iroc irod irrc irri lccc lcdd lcdr lcfc lcfr lcor lcrd lcrl ldcf ldci ldif lfcc lfrd lico licr lidl lido liff lifl lifo liii liir lili lill lilo lio- liod lior lirc lird liri lirl liro lirr llcc lldc lllc llll lloc llod lloo locc loci loco lodi loff lofi loic loid loif loir lold loli loll lolo looc lood loof lool loor lord lori loro lrdd lrfc lric lrif lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr odci oddd oddi odic odio odir odoo odor odrl ofcl ofcr ofdr off- offc offo offr ofid ofor oici oido oiii olcc olic olid olio olli ollo olof olor oocr oodi ooff ooid oold oolo oooo oord orci orco ordo orff orfi ori- oric orid orif oril orio orlo oro- orof oror orri orro rccc rcdc rcfc rcic rcid rcrd rdio rdoc rfdi rffc rffl rfic rfid ricc rico ridc ridd ridi rido riff riif rill rilo riol riri rlif rocc roco rodd rodi rodo rofc roff rofl rofo roid roif roil roio roir rold rolf roll rolo rood roof rooi rool roor rorc rori roro rrfc rrif rrrr