c-cd cccc ccci cccl ccdc ccdi ccdr ccic ccid ccii ccil ccir cclc ccli ccoc ccod ccrc ccri ccrl cd-r cddl cddr cdic cdii cdio cdli cicc cici cico cicr cidc cidi cidr ciid ciii cili cill cilo cior circ ciri cirl ciro cirr clcd cldc cldr clic clii clio clir clod cloo clor clrd clri clro coco codd codi codl coil coir col- cold coli coll colo cood cool cor- corc cord cori corl coro corr crcc crcr crdc cric croc crod crol croo cror dccc dcci dccl dcii dcil dcio dcli dddd ddlc ddoc ddrc dici dico didi dido diii dili dill dilo dioc diol dior dird dirl dirr dlco dlii dlil doci doco dod- dodd dodi dodo doid doil dold doli doll dolo dood dool door dorc dord dori doro dorr dric dril drod drol iccc icci iccl icco iccr icdc icdd icdl icll iclr icoc icod icor icrc icrr idcr iddo idic idid idil idio idir idli idoc idol idrc idro iicd iiii iiio iioi iioo iirc ilcd ilic ilio ilir ill- illd illi illo iloc iloo ioci iod- iodd iodo ioii ioio iolo iooi iooo iori ircc ircd irdc irdo iri- iric irid iril irio iroc irod irrc irri lccc lcdd lcdr lcor lcrd lcrl ldci lico licr lidl lido 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 loic loid loir lold loli loll lolo looc lood lool loor lord lori loro lrdd lric lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr odci oddd oddi odic odio odir odoo odor odrl oici oido oiii olcc olic olid olio olli ollo olor oocr oodi ooid oold oolo oooo oord orci orco ordo ori- oric orid oril orio orlo oro- oror orri orro rccc rcdc rcic rcid rcrd rdio rdoc ricc rico ridc ridd ridi rido rill rilo riol riri rocc roco rodd rodi rodo roid roil roio roir rold roll rolo rood rooi rool roor rorc rori roro rrrr