c-cd cccc cccf cccp ccdc ccdf ccdp ccfc ccfd ccff ccpp cctc cctt cfcf cfdp cftc cpff cpft cppd cptp ctcf ctcp ctfc ctpp dccc dccp dcct dcfc dctc dddd dfcc dfdt dpcp dpdt dppc dtcc dtdp dtfc dttp fccf fccp fdtc ffcc ffff fftf fp-c fpcc fpct fpdt ft-c ftcd ftfc pccc pcfc pcpp pdcp pdtc pfff pfft ppcc ppcd pppd pppp pptt ptcc ptdc ptpd pttc tccc tcdd tcfc tctc tdff tfdc tfpt tftc tftp tpcd tpcp tpdf tppd tppp tptp ttcp ttfc ttff tttt