cccc ccci cccu ccic ccii ccir ccnc ccni ccnr ccnu ccrc ccri ccuc cicc cici cicr cicu ciii cin- cinc cini circ ciri cirr ciuc cnci cnic cnrc cnrr crcc crcr cric crin criu crun cucc cuci cucn cui- cuin cuir curi curn curr iccc icci iccn iccr iccu icnc icrc icrr icru iiii iirc iiuc inci incr inni innr innu inri inui inun ircc ircu iri- iric irin irrc irri irun iucc iuiu n-ii nccc ncci nccn nccr nccu ncnc ncrc ncri nicc nici nicu niir niiu nini niru niur nnnn nric nrrc nuci nucu nuin nunc nunn nurc nuri nurn nurr nuru rccc rcic rcnr ricc riin rinn riri rnin rrrr rrun ruci ruin runc runi runn rurc ruri ruru ruun ucci ucin ucrc uirr uncc unci uni- unic unii unin unir unni urci uric urin uriu urni urri urun urur uuni uuri uuuu