-ol c-- ccc ccf ccl ccn cco ccr cfc cff cfl cfn cfo cfr cl- clc clf cll cln clo clr cn- cnc cnf cnl cnn cno cnr co- coc cof col con coo cor crc crf crl crn cro crr fcc fcf fcl fcn fco fcr ffc fff ffl ffn ffo ffr flc flf fll fln flo flr fnc fnf fnl fnn fnr foc fof fol fon foo for frc frf frl frn fro frr lcc lcf lcl lcn lco lcr lfc lff lfl lfn lfo lfr llc llf lll lln llo llr lnc lnl lnn lno lnr loc lof lol lon loo lor lrc lrf lrn lro lrr ncc ncf ncl ncn nco ncr nfc nff nfl nfn nfo nfr nlc nlf nll nln nlo nlr nnc nnf nnl nnn nno no- noc nof nol non noo nor nrc nrf nrl nrn nro nrr oc- occ ocf ocl ocn oco ocr of- ofc off ofl ofn ofo ofr olc olf oll oln olo on- onc onf onl onn ono onr oo- ooc oof ool oon ooo oor or- orc orf orl orn oro orr rcc rcf rcl rcn rco rcr rfc rff rfl rfn rfo rfr rlc rlf rll rln rlo rlr rnc rnn rno rnr roc rof rol ron roo ror rrc rrf rrl rrn rrr