-ic c-- ccc ccf cci cck cco cct cfc cff cfi cfk cfo cft ci- cic cif cii cik cio cit ckc cki cko ckt co- coc cof coi cok coo cot ctc ctf cti ctk cto ctt fcc fcf fci fck fco fct ffc fff ffi ffk ffo fft fic fif fii fik fit fkc fkf fki fkk fkt foc fof foi fok foo fot ftc ftf fti ftk fto ftt i-f icc icf ici ick ico ict ifc iff ifi ifo ift iic iif iii iio iit ikc ikf iki ikk iko ikt io- ioc iof ioi ioo iot itc itf iti itk ito itt k-t kcc kci kck kct kfc kff kfi kfo kic kif kii kik kio kit kkc kki kkk kkt koc kof koi kok koo kot ktc ktf ktk kto ktt o-i oc- occ ocf oci ock oco oct of- ofc off ofi ofo oft oic oif oii oik oio oit okc oki okk oko oo- ooc oof ooi ook ooo oot ot- otc otf oti otk oto ott tcc tcf tci tck tco tct tfc tff tfi tfk tfo tft tic tif tii tik tio tit tkc tkk tko tkt to- toc tof toi tok too tot ttc ttf tti ttk tto ttt