ddd dde ddl ddn ddp de- ded dee del den dep dl- dld dle dll dlp dnd dne dnl dnn dnp dpd dpe dpl dpn dpp ed- edd ede edl edn edp eed eee eel een eep eld ele ell eln elp en- end ene enl enn enp ep- epd epe epl epn epp l-p ldd lde ldl ldn ldp led lee lel len lep lld lle lll lln llp lnd lne lnl lnn lnp lpd lpe lpl lpn lpp ndd nde ndl ndn ndp ne- ned nee nel nen nep nld nle nll nln nlp nne nnl nnn nnp npd npe npl npn npp p-p pdd pde pdl pdn pdp ped pee pel pen pep pld ple pll pln plp pn- pnd pne pnl pnn pnp ppd ppe ppl ppn ppp