c-cd cccc ccci cccl ccdc ccdi ccic ccid ccii ccil cclc ccli ccoc ccod cddl cdic cdii cdio cdli cicc cici cico cidc cidi ciid ciii cili cill cilo clcd cldc clic clii clio clod cloo cloy cly- coco codd codi codl cody coil col- cold coli coll colo coly cood cool coyl coyo cyc- cycc cycl cyl- cylc cyld cyll cyy- cyyc dc-y dccc dcci dccl dcii dcil dcio dcli dddd ddlc ddly ddoc dici dico dicy didi dido didy diii dili dill dilo dily dioc diol diyi dlco dlii dlil doci doco dod- dodd dodi dodo dody doid doil dold doli doll dolo doly dood dool doyl doyo dycd dydd dyio dyll dyo- dyoo iccc icci iccl icco icdc icdd icdl icll icoc icod iddo idic idid idil idio idli idly idoc idol idyl iicd iiii iiio iioi iioo ilcd ilic ilio ill- illd illi illo illy iloc iloo ioci iod- iodd iodo ioii ioio iolo iooi iooo lccc lcdd ldci lico lidl lido liii lili lill lilo lily lio- liod liyl llcc lldc lllc llll lloc llod lloo locc loci loco lodi loic loid lold loli loll lolo loly looc lood lool loyd lyc- lyco lydd lyly lyo- occc occi oclc odci oddd oddi oddy odic odio odly odoo odyl oici oido oiii oily oiyl olcc oldy olic olid olio olli ollo olly oodi ooid oold oolo oooo oyly yccc ydil yidi yild yili yill ylid ylli yodo yold yoli yoll yolo yoly yood yool yoyo yyyy