ddd dde ddl ddm dds de- ded dee del dem des dl- dld dle dll dlm dls dmd dme dml dmm dms dsd dse dsl dsm dss ed- edd ede edl edm eds eed eee eel eem ees eld ele ell elm els em- emd eme eml emm ems es- esd ese esl esm ess ldd lde ldl ldm lds led lee lel lem les lld lle lll llm lls lmd lme lml lmm lms lsd lse lsl lsm lss mdd mde mdl mdm mds med mee mel mem mes mld mle mll mlm mls mmd mme mml mmm mms msd mse msl msm mss sdd sde sdl sdm sds se- sed see sel sem ses sld sle sll slm sls smd sme sml smm sms ss- ssd sse ssl ssm sss