ddd dde ddl ddn ddp dds de- ded dee del den dep des dl- dld dle dll dlp dls dnd dne dnl dnn dnp dns dpd dpe dpl dpn dpp dps dsd dse dsl dsn dsp dss ed- edd ede edl edn edp eds eed eee eel een eep ees eld ele ell eln elp els en- end ene enl enn enp ens ep- epd epe epl epn epp eps es- esd ese esl esn esp ess l-p ldd lde ldl ldn ldp lds led lee lel len lep les lld lle lll lln llp lls lnd lne lnl lnn lnp lns lpd lpe lpl lpn lpp lps lsd lse lsl lsn lsp lss ndd nde ndl ndn ndp nds ne- ned nee nel nen nep nes nld nle nll nln nlp nls nne nnl nnn nnp nns npd npe npl npn npp nps nsd nse nsl nsn nsp nss p-p pdd pde pdl pdn pdp pds ped pee pel pen pep pes pld ple pll pln plp pls pn- pnd pne pnl pnn pnp pns ppd ppe ppl ppn ppp pps ps- psd pse psl psn psp pss sdd sde sdl sdn sdp sds se- sed see sel sen sep ses sld sle sll sln slp sls snd sne snl snn snp sns spd spe spl spn spp sps ss- ssd sse ssl ssn ssp sss