-ing cccc ccci ccgc ccgt ccic ccii ccir ccnc ccni ccnr ccrc ccrg ccri ccrt cctc cctt cgcc cgcg cicc cici cicr cict cigi ciii ciit cin- cinc cing cini cint circ ciri cirr cirt citg citi citt cnci cngi cnic cnrc cnrr cnrt cntc cntr crcc crcr cric crig crin crit crrt crtc ctic ctrc ctrn cttn gc-c gccc gcic gcii gcrg gctc gggg ggrn gicr gigg gigi gign ging gini ginn girg giri girn girr girt gncc gngc gnin gnit gnrc gnrr gnti grcc gric grig grin grit grni grrr grtc gtcr iccc icci iccn iccr icct icgc icnc icrc icrr icrt igcc igni igri iiii iiit iirc iitr iitt inci incr inig init inni innr inri intg inti intn intr ircc ircg iri- iric irig irin irrc irri irti itgc itic itin itri n-ii nccc ncci nccn nccr ncct ncgr ncit ncnc ncrc ncri nctc nctr ngic ngri ngtn nicc nici nigc nigg nigt niir niit ning nini nirt nitc niti nitr nngn nnit nnnn nntn nric nrrc ntcc ntrc nttr rccc rcgc rcic rcnr rcrg rctc rctg rcti rgit rgtr ricc rict rigg rigi riin ring rinn riri riti ritt rnin rnnt rrrr rtcc rtcg tccc tcnn tctc tgcc tgtc ticc tigi tigr tiit tinc ting tini tinn tint tiri tirr titc titi titt tncc trcc tri- tric trig trin trit trng trtc trtr ttcn tttt