c-- ccc cce cco cct ccu ce- cec cee ceo ceq cet ceu co- coc coe coo coq cot cou cqc cqo cqt ctc cte cto ctq ctt ctu cuc cue cuo cuq cut cuu ec- ecc ece eco ecq ect ecu eec eee eeo eet eo- eoc eoe eoo eoq eot eou eqe eqq eqt equ etc ete eto ett etu eu- euc eue eut oc- occ oco oct ocu oec oee oeo oet oo- ooc ooo oot oqo ot- otc ote oto ott otu ou- ouc oue ouo out qcc qco qct qec qee qeo qet qoo qqq qqu qtc qto qtq qu- que quo qut tcc tce tco tct tcu te- tec tee teo teq tet teu to- toc toe too toq tot tou tqo ttc tte tto ttt ttu tuc tue tuo tut tuu ucc uce uco uct ucu uec uee uet uoc uoe uoo uot utc ute uto utt utu uuc uue uut uuu