c-cd cccc ccci ccdc ccdi ccdn ccic ccid ccii ccnc ccni cctc cctt cdic cdii cdnc cicc cici cict cidc cidi cidt ciid ciii ciit cin- cinc cind cini cint citi citt cnci cndd cnic cnid cntc ctic cttn dccc dcci dcct dcii dctc dddd dici dict didi diii din- dinc dini dinn dint diti ditt dnic dntt dtcc iccc icci iccn icct icdc icdd icnc idic idid idin iicd iiii iiit iitt incd inci ind- indc indi inid init inni intd inti intn itic itin n-ii nccc ncci nccn ncct ncdc ncdn ncid ncit ncnc ncnd nctc ndcc ndic ndnt ndtc nicc nicd nici nidd nidi niit nind nini nitc niti nnit nnnn nntn ntcc ntnd tccc tcdd tcnn tctc ticc tidc tidd tiit tinc tind tini tinn tint titc titi titt tncc tndd ttcn tttt