cccc ccci ccic ccii ccir ccnc ccni ccnr ccrc ccri ccrt cctc cctt cicc cici cicr cict ciii ciit cin- cinc cini cint circ ciri cirr cirt citi citt cnci cnic cnrc cnrr cnrt cntc cntr crcc crcr cric crin crit crrt crtc ctic ctrc ctrn cttn iccc icci iccn iccr icct icnc icrc icrr icrt iiii iiit iirc iitr iitt inci incr init inni innr inri inti intn intr ircc iri- iric irin irrc irri irti itic itin itri n-ii nccc ncci nccn nccr ncct ncit ncnc ncrc ncri nctc nctr nicc nici niir niit nini nirt nitc niti nitr nnit nnnn nntn nric nrrc ntcc ntrc nttr rccc rcic rcnr rctc rcti ricc rict riin rinn riri riti ritt rnin rnnt rrrr rtcc tccc tcnn tctc ticc tiit tinc tini tinn tint tiri tirr titc titi titt tncc trcc tri- tric trin trit trtc trtr ttcn tttt