c-cd cccc ccci cccp ccdc ccdi ccdp ccic ccid ccii ccip ccoc ccod ccpp cdic cdii cdio cicc cici cico cidc cidi cidp ciid ciii cipo cipp coco cocp codd codi coip cood coop copd copi copo copp cpic cpio cppd dccc dcci dccp dcii dcio dcop dcpo dddd ddoc ddpo dici dico didi dido diii dioc diop dipc dipo dipp doci doco dod- dodd dodi dodo doid dood doop dopo dopp dpci dpcp dppc iccc icci icco iccp icdc icdd icdp icoc icod icpc icpd icpo iddo idic idid idio idoc iicd iiii iiio iioi iioo iiop ioci iocp iod- iodd iodo ioii ioio iooi iooo ipcc ipdc ipdi ipid ipod ipop ippc ippo occc occi ocpd ocpp odci oddd oddi odic odio odoo odop oici oido oiii oipc oodi ooid oooo opic opii opio opo- oppi oppo pccc pcip pcod pcpp pdci pdcp pdic pdoc picc pici pico pido piip pipi pipo pipp pocd poco pod- podd podi podo poid poio pood poop pop- popc popi popo popp ppcc ppcd ppci ppic ppid ppod pppd pppo pppp