cccc cccf ccci cccp ccfc ccff ccfi ccic ccii ccip ccoc ccpp cctc cctt cfcf cfco cfit cfpo cftc cicc cici cico cict ciff ciii ciit cipf cipo cipp citf citi cito citp citt coco cocp coct cofc coff cofi coft coif coip coit coof coop coot copi copo copp copt cotc coti coto cott cpff cpft cpic cpif cpio cptp ctcf ctcp ctfc ctfo ctic ctot ctpo ctpp fccf fccp fcic fcii fcot fcto ffcc ffff ffii fftf ficc fico fict fifc fiff fifi fifo fift fiii fipp fitc fiti fitt foci foco fofo foof foot fopp foti foto fotp fott fp-c fpcc fpct ft-c ftfc ftii ftop iccc iccf icci icco iccp icct icoc icpc icpo ictp ifco ifcp ific ifit ifpo ifto iiii iiio iiit iioi iioo iiop iipf iitt ioci iocp iofc ioii ioio ioit ioof iooi iooo iotf ioto ipcc ipct ipfc ipop ippc ippf ippo iptc ipto itic itif itof itoi itoo itpc ittf itto occc occi occt ocfp ocpp oct- octi octo off- offc offo ofit oftp oici oiii oipc oitc oiti ooff oooo ootp opic opii opio opit opo- oppi oppo opti opto otfc otfp otic otif otit oto- otof otoo otpp otti otto pccc pcfc pcip pcpp pfff pfft pfic pfit picc pici pico pict piff piip piot pipi pipo pipp pitf piti pito pitt poco poff pofi poio poof poop poot pop- popc popi popo popp popt potc potf poti poto pott ppcc ppci ppic ppif pppo pppp pptt ptcc ptop pttc tccc tcfc tcpo tctc tfot tfpt tftc tftp ticc tico tiff tifo tift tiit tiop tip- tipc tipi tipo tipp tipt titc titi tito titp titt toci toco toff tofi tofo toft toit toof toot top- topf topi topo topp topt totc toti toto tott tpcp tppp tptp ttcp ttfc ttff ttop tttt