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 cnnz cnrc cnrr cnrt cntc cntr crcc crcr crcz cric crin crit crrt crtc ctic ctrc ctrn cttn iccc icci iccn iccr icct icnc icrc icrr icrt iczn 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 nitz nnit nnnn nntn nric nrrc ntcc ntrc nttr nzcc rccc rcic rcnr rctc rcti ricc rict riin rinn riri riti ritt ritz rizi rizz rnin rnnt rrrr rtcc tccc tcnn tctc ticc tiit tinc tini tinn tint tiri tirr titc titi titt titz tizi tizz tncc trcc tri- tric trin trit triz trtc trtr ttcn tttt tzzt zinc zinn zirc ziri ziti zizi zizz zrin zzzz