cccc ccci ccic ccii ccir ccnc ccni ccnr ccny ccrc ccri ccrt cctc cctt cicc cici cicr cict ciii ciit cin- cinc cini cint circ ciri cirr cirt citi citt city cnci cnic cnrc cnrr cnrt cntc cntr crcc crcr cric crin crit crrt crtc cry- cryn ctic ctrc ctrn cttn cyc- cycc cyn- cyrt cyt- cyy- cyyc cyyn iccc icci iccn iccr icct icnc icrc icrr icrt icry iiii iiit iirc iitr iitt inci incr incy init inni innr inny inri inti intn intr ircc iri- iric irin iriy irrc irri irti iryn itic itin itri itry itty n-ii nccc ncci nccn nccr ncct ncit ncnc ncrc ncri nctc nctr nicc nici nicy niir niit nini nirt nitc niti nitr nity niyi nnit nnnn nntn nric nrrc ntcc ntrc nttr nycc nycy nyit nynt nyny nytc rccc rcic rcnr rctc rcti rcyc ricc rict riin rinn riny riri riti ritt rnin rnnt rrrr rtcc rynn rynt rytt ryyt tccc tcnn tctc ticc tiit tinc tini tinn tint tiny tiri tirr tiry titc titi titt tiyi tiyn tncc trcc tri- tric trin trit trtc trtr try- ttcn tttt tyin tyir tynt tyny tyr- tyrr tyti tytt tyty tyyn yccc yctc yirn yirr yiti yrin yryn yyyy