-ol c-- ccc ccl ccn cco ccr cl- clc cll cln clo clr cn- cnc cnl cnn cno cnr co- coc col con coo cor crc crl crn cro crr lcc lcl lcn lco lcr llc lll lln llo llr lnc lnl lnn lno lnr loc lol lon loo lor lrc lrn lro lrr ncc ncl ncn nco ncr nlc nll nln nlo nlr nnc nnl nnn nno no- noc nol non noo nor nrc nrl nrn nro nrr oc- occ ocl ocn oco ocr olc oll oln olo on- onc onl onn ono onr oo- ooc ool oon ooo oor or- orc orl orn oro orr rcc rcl rcn rco rcr rlc rll rln rlo rlr rnc rnn rno rnr roc rol ron roo ror rrc rrl rrn rrr