-ing cccc ccci cccu ccgc ccgt ccic ccii ccir ccnc ccni ccnr ccnu ccrc ccrg ccri ccrt cctc cctt ccuc ccut cgcc cgcg cgtu cicc cici cicq cicr cict cicu cigi cigu ciii ciit cin- cinc cing cini cinq cint circ ciri cirr cirt citg citi citt citu ciuc cnci cngi cnic cnrc cnrr cnrt cntc cntr cnut crcc crcr cric crig crin crit criu crrt crtc crug crun crut ctgu ctic ctrc ctrn cttn cucc cuci cucn cucq cui- cuin cuir cuit cunt curi curn curr curt cut- cutc cutt gc-c gccc gcic gcii gcrg gctc gggg ggrn gicr gigg gigi gign ging gini ginn ginu girg giri girn girr girt giru giur gncc gngc gnin gnit gnrc gnrr gnti grcc gric grig grin grit grni grrr grtc grug grui grun grur grut gtcr guci gugg gugi gugu guin gung gunn gunt gurg guri gurn gurr gurt guru guti gutt gutu iccc icci iccn iccr icct iccu icgc icnc icrc icrr icrt icru igcc igni ignu igri iiii iiit iirc iitr iitt iiuc inci incr inig init inni innr innu inri intg inti intn intr intu inui inun ircc ircg ircu iri- iric irig irin irrc irri irti irun itgc itic itin itri itur iucc iuiu n-ii nccc ncci nccn nccr ncct nccu ncgr ncit ncnc ncrc ncri ncrq nctc nctr ngic ngri ngtn ngur nguu nicc nici nicu nigc nigg nigt niir niit niiu ning nini nirt niru nitc niti nitr niur nngn nnit nnnn nntn nqit nric nrrc ntcc ntnu ntrc ntru nttr ntuc ntui nuci nucu nuin nuit nunc nung nunn nunt nurc nuri nurn nurr nurt nuru nutt nutu qing qiru qqqq qttn qucu quic quig quin quir quit qung quni qunu quri quu- rccc rcgc rcic rcnr rcrg rctc rctg rcti rgit rgtr ricc rict rigg rigi rigu riin ring rinn riqq riri riti ritt ritu rnin rnnt rnut rrrr rrun rtcc rtcg ruci ruct rugg rugi ruin ruit runc rung runi runn runt rurc ruri ruru ruti rutt rutu ruun tccc tccu tcnn tctc tgcc tgtc ticc tigi tigr tiit tiiu tinc ting tini tinn tint tinu tiri tirr tiru titc titi titt titu tncc tnut trcc tri- tric trig trin trit trng trtc trtr truc trug trun trut truu ttcn tttt tucc tugg tugu tuig tuin tuit tuiu tunc tung tuni tunn tunu turc turg turi turn turr turt turu tuti tutt tutu ucci ucin ucrc ucut ugcc ugcg uggt ugni ugri ugur uguu uint uirr uncc uncg unci unct ungu uni- unic unii unin uniq unir unit unni unut uqcc urci urgi urgu uric urin uriu urni urri urun uruq urur urut utin utri utti uttu utug utuq uuni uuri uuuu