-ic -ol c-- ccc ccf cci ccl cco ccr cct cfc cff cfi cfl cfo cfr cft ci- cic cif cii cil cio cir cit cl- clc clf cli cll clo clr clt co- coc cof coi col coo cor cot crc crf cri crl cro crr crt ctc ctf cti ctl cto ctr ctt fcc fcf fci fcl fco fcr fct ffc fff ffi ffl ffo ffr fft fic fif fii fil fir fit flc flf fli fll flo flr flt foc fof foi fol foo for fot frc frf fri frl fro frr frt ftc ftf fti ftl fto ftr ftt i-f icc icf ici icl ico icr ict ifc iff ifi ifl ifo ifr ift iic iif iii iil iio iir iit il- ilc ilf ili ill ilo ilr ilt io- ioc iof ioi iol ioo ior iot ir- irc irf iri irl iro irr irt itc itf iti itl ito itt lcc lcf lci lcl lco lcr lct lfc lff lfi lfl lfo lfr lft lic lif lii lil lio lir lit llc llf lli lll llo llr llt loc lof loi lol loo lor lot lrc lrf lri lro lrr lrt ltc ltf lti ltl lto ltr ltt o-i oc- occ ocf oci ocl oco ocr oct of- ofc off ofi ofl ofo ofr oft oic oif oii oil oio oir oit olc olf oli oll olo olt oo- ooc oof ooi ool ooo oor oot or- orc orf ori orl oro orr ort ot- otc otf oti otl oto otr ott rcc rcf rci rcl rco rcr rct rfc rff rfi rfl rfo rfr rft ric rif rii ril rio rir rit rlc rlf rli rll rlo rlr rlt roc rof roi rol roo ror rot rrc rrf rri rrl rrr rrt rtc rtf rti rtl rto rtr rtt tcc tcf tci tcl tco tcr tct tfc tff tfi tfl tfo tfr tft tic tif tii til tio tir tit tlc tlf tli tll tlo tlr tlt to- toc tof toi tol too tor tot trc trf tri trl tro trr trt ttc ttf tti ttl tto ttr ttt