-ic c-- ccc ccf cci cco ccr cct cfc cff cfi cfo cfr cft ci- cic cif cii cio cir cit co- coc cof coi coo cor cot crc crf cri cro crr crt ctc ctf cti cto ctr ctt fcc fcf fci fco fcr fct ffc fff ffi ffo ffr fft fic fif fii fir fit foc fof foi foo for fot frc frf fri fro frr frt ftc ftf fti fto ftr ftt i-f icc icf ici ico icr ict ifc iff ifi ifo ifr ift iic iif iii iio iir iit io- ioc iof ioi ioo ior iot ir- irc irf iri iro irr irt itc itf iti ito itt o-i oc- occ ocf oci oco ocr oct of- ofc off ofi ofo ofr oft oic oif oii oio oir oit oo- ooc oof ooi ooo oor oot or- orc orf ori oro orr ort ot- otc otf oti oto otr ott rcc rcf rci rco rcr rct rfc rff rfi rfo rfr rft ric rif rii rio rir rit roc rof roi roo ror rot rrc rrf rri rrr rrt rtc rtf rti rto rtr rtt tcc tcf tci tco tcr tct tfc tff tfi tfo tfr tft tic tif tii tio tir tit to- toc tof toi too tor tot trc trf tri tro trr trt ttc ttf tti tto ttr ttt