-ic c-- ccc ccf cci cck cco ccr cct ccv cfc cff cfi cfk cfo cfr cft cfv ci- cic cif cii cik cio cir cit civ ckc cki cko ckt co- coc cof coi cok coo cor cot cov crc crf cri crk cro crr crt crv ctc ctf cti ctk cto ctr ctt ctv cvc cvf cvi cvk cvo cvr cvt cvv fcc fcf fci fck fco fcr fct fcv ffc fff ffi ffk ffo ffr fft ffv fic fif fii fik fir fit fkc fkf fki fkk fkt foc fof foi fok foo for fot frc frf fri frk fro frr frt ftc ftf fti ftk fto ftr ftt ftv fvc fvk fvt i-f i-v icc icf ici ick ico icr ict icv ifc iff ifi ifo ifr ift iic iif iii iio iir iit ikc ikf iki ikk iko ikr ikt ikv io- ioc iof ioi ioo ior iot iov ir- irc irf iri irk iro irr irt irv itc itf iti itk ito itt itv ivc ivf ivi ivo ivr ivt ivv k-t kcc kci kck kcr kct kfc kff kfi kfo kic kif kii kik kio kir kit kiv kkc kki kkk kkr kkt kkv koc kof koi kok koo kor kot krc krf kri krk kro krr krt krv ktc ktf ktk kto ktr ktt ktv kvi kvk kvo kvr kvv o-i oc- occ ocf oci ock oco ocr oct ocv of- ofc off ofi ofo ofr oft ofv oic oif oii oik oio oir oit oiv okc oki okk oko okr oo- ooc oof ooi ook ooo oor oot oov or- orc orf ori ork oro orr ort orv ot- otc otf oti otk oto otr ott otv ov- ovc ovf ovi ovo ovv rcc rcf rci rco rcr rct rcv rfc rff rfi rfk rfo rfr rft rfv ric rif rii rik rio rir rit riv rkc rkf rkk rko rkt rkv roc rof roi rok roo ror rot rov rrc rrf rri rrk rrr rrt rtc rtf rti rtk rto rtr rtt rtv rvc rvf rvi rvo rvr rvt rvv tcc tcf tci tck tco tcr tct tcv tfc tff tfi tfk tfo tfr tft tic tif tii tik tio tir tit tiv tkc tkk tko tkr tkt to- toc tof toi tok too tor tot tov trc trf tri trk tro trr trt trv ttc ttf tti ttk tto ttr ttt ttv tvc tvf tvi tvk tvo tvr tvt vcc vcf vci vco vcr vct vfc vff vfi vfr vft vfv vi- vic vif vii vik vio vir vit viv vkt voc vof voi vok voo vor vot vov vrc vrf vri vrk vrr vrt vtc vti vtk vto vtr vtt vtv vvc vvi vvo vvr vvt vvv