c-- ccc ccd cce ccf cck cco cct ccu cdc cdd cde cdf cdk cdo cdt cdu ce- cec ced cee cef cek ceo cet ceu cfc cfd cfe cff cfk cfo cft cfu ckc ckd cko ckt co- coc cod coe cof cok coo cot cou ctc ctd cte ctf ctk cto ctt ctu cuc cud cue cuf cuk cuo cut cuu dcc dcd dce dcf dck dco dct dcu ddc ddd dde ddf ddk ddo ddt ddu de- dec ded dee def dek deo det deu dfc dfd dfe dff dfk dfo dft dfu dkc dke dkk dko dkt dku doc dod doe dof dok doo dot dou dtc dtd dte dtf dtk dto dtt dtu duc dud due duf duk duo dut ec- ecc ecd ece ecf eck eco ect ecu ed- edc edd ede edf edk edo edt edu eec eed eee eef eek eeo eet ef- efc efd efe eff efo eft ekc ekd eke ekf eko ekt eku eo- eoc eod eoe eof eok eoo eot eou etc etd ete etf etk eto ett etu eu- euc eud eue euf eut fcc fcd fce fcf fck fco fct fcu fdc fdd fde fdf fdk fdo fdt fdu fec fed fee fef fek feo fet feu ffc ffd ffe fff ffk ffo fft ffu fkc fkf fkk fkt foc foe fof fok foo fot fou ftc ftd fte ftf ftk fto ftt ftu fud fue fuf fuk fuo fut fuu k-t kcc kcd kce kck kct kcu kdc kde kdf kdk kdo kdt kdu ke- kec ked kee kef kek keo ket kfc kfd kff kfo kfu kkc kke kkk kkt kku koc kod koe kof kok koo kot kou ktc kte ktf ktk kto ktt ktu kuc kud kue kuk kut kuu oc- occ ocd ocf ock oco oct ocu odc odd ode odf odo odt odu oec oed oee oef oeo oet of- ofc ofd ofe off ofo oft ofu okc okd oke okk oko oku oo- ooc ood oof ook ooo oot ot- otc otd ote otf otk oto ott otu ou- ouc oud oue ouf ouk ouo out tcc tcd tce tcf tck tco tct tcu tdc tdd tde tdf tdk tdo tdt tdu te- tec ted tee tef tek teo tet teu tfc tfd tfe tff tfk tfo tft tfu tkc tke tkk tko tkt to- toc tod toe tof tok too tot tou ttc ttd tte ttf ttk tto ttt ttu tuc tud tue tuf tuk tuo tut tuu ucc ucd uce ucf uck uco uct ucu udc udd ude udf udk udo udt udu uec ued uee uef uet ufc ufd ufe uff ufo uft ufu ukc uke ukf ukk uku uoc uod uoe uok uoo uot utc utd ute utf utk uto utt utu uuc uue uut uuu