-ic c-- ccc ccd cce ccf cci cck cco cct cdc cdd cde cdf cdi cdk cdo cdt ce- cec ced cee cef cei cek ceo cet cfc cfd cfe cff cfi cfk cfo cft ci- cic cid cie cif cii cik cio cit ckc ckd cki cko ckt co- coc cod coe cof coi cok coo cot ctc ctd cte ctf cti ctk cto ctt dcc dcd dce dcf dci dck dco dct ddc ddd dde ddf ddi ddk ddo ddt de- dec ded dee def dei dek deo det dfc dfd dfe dff dfi dfk dfo dft di- dic did die dif dii dik dio dit dkc dke dki dkk dko dkt doc dod doe dof doi dok doo dot dtc dtd dte dtf dti dtk dto dtt ec- ecc ecd ece ecf eci eck eco ect ed- edc edd ede edf edi edk edo edt eec eed eee eef eek eeo eet ef- efc efd efe eff efi efo eft eic eid eie eif eii eik eio eit ekc ekd eke ekf eki eko ekt eo- eoc eod eoe eof eoi eok eoo eot etc etd ete etf eti etk eto ett fcc fcd fce fcf fci fck fco fct fdc fdd fde fdf fdi fdk fdo fdt fec fed fee fef fei fek feo fet ffc ffd ffe fff ffi ffk ffo fft fic fid fie fif fii fik fit fkc fkf fki fkk fkt foc foe fof foi fok foo fot ftc ftd fte ftf fti ftk fto ftt i-d i-f icc icd ice icf ici ick ico ict idc idd ide idf idi idk ido idt ie- iec ied iee ief iei iek iet ifc ifd ife iff ifi ifo ift iic iid iie iif iii iio iit ikc ike ikf iki ikk iko ikt io- ioc iod ioe iof ioi ioo iot itc itd ite itf iti itk ito itt k-t kcc kcd kce kci kck kct kdc kde kdf kdk kdo kdt ke- kec ked kee kef kei kek keo ket kfc kfd kff kfi kfo kic kid kie kif kii kik kio kit kkc kke kki kkk kkt koc kod koe kof koi kok koo kot ktc kte ktf ktk kto ktt o-i oc- occ ocd ocf oci ock oco oct odc odd ode odf odi odo odt oec oed oee oef oei oeo oet of- ofc ofd ofe off ofi ofo oft oic oid oie oif oii oik oio oit okc okd oke oki okk oko oo- ooc ood oof ooi ook ooo oot ot- otc otd ote otf oti otk oto ott tcc tcd tce tcf tci tck tco tct tdc tdd tde tdf tdi tdk tdo tdt te- tec ted tee tef tei tek teo tet tfc tfd tfe tff tfi tfk tfo tft tic tid tie tif tii tik tio tit tkc tke tkk tko tkt to- toc tod toe tof toi tok too tot ttc ttd tte ttf tti ttk tto ttt