c-- ccc ccd ccl ccm ccu cdc cdd cdl cdm cdu cl- clc cld cll clm clu cmc cmd cml cmm cmu cuc cud cul cum cuu dcc dcd dcl dcm dcu ddc ddd ddl ddm ddu dl- dlc dld dll dlm dlu dmc dmd dml dmm dmu duc dud dul dum lcc lcd lcl lcm lcu ldc ldd ldl ldm ldu llc lld lll llm llu lmc lmd lml lmm lmu luc lud lul lum luu mc- mcc mcd mcl mcm mcu mdc mdd mdl mdm mdu mlc mld mll mlm mlu mmc mmd mml mmm mmu muc mud mul mum muu ucc ucd ucl ucm ucu udc udd udl udm udu ulc uld ull ulm ulu um- umc umd uml umm umu uuc uum uuu