c-- ccc cce cco ccs ccu ce- cec cee ceo ceq ces ceu co- coc coe coo coq cos cou cqc cqo cqs csc cse cso csq css csu cuc cue cuo cuq cus cuu ec- ecc ece eco ecq ecs ecu eec eee eeo ees eo- eoc eoe eoo eoq eos eou eqe eqq eqs equ es- esc ese eso esq ess esu eu- euc eue eus oc- occ oco ocs ocu oec oee oeo oes oo- ooc ooo oos oqo os- osc ose oso osq oss osu ou- ouc oue ouo ous qcc qco qcs qec qee qeo qoo qos qqq qqu qsc qso qu- que quo qus scc sce sco scs scu se- sec see seo seq ses seu soc soe soo soq sos sou sqq sqs ss- ssc sse sso ssq sss ssu suc sue suo suq sus suu ucc uce uco ucs ucu uec uee ues uoc uoe uoo uos usc use uso uss usu uuc uue uus uuu