-up ddd dde ddl ddp dds ddt ddu ddx de- ded dee del dep des det deu dex dl- dld dle dll dlp dls dlt dlu dlx dpd dpe dpl dpp dps dpt dpu dsd dse dsl dsp dss dst dsu dsx dtd dte dtl dtp dts dtt dtu dtx dud due dul dup dus dut dux dxd dxl dxp dxs dxt dxx ed- edd ede edl edp eds edt edu edx eed eee eel eep ees eet eex eld ele ell elp els elt elu elx ep- epd epe epl epp eps ept epu epx es- esd ese esl esp ess est esu esx etd ete etl etp ets ett etu etx eu- eud eue eul eup eus eut eux ex- exd exe exl exp exs ext exu exx l-p ldd lde ldl ldp lds ldt ldu led lee lel lep les let leu lex lld lle lll llp lls llt llu lpd lpe lpl lpp lps lpt lpu lpx lsd lse lsl lsp lss lst lsu ltd lte ltl ltp lts ltt ltu ltx lud lue lul lup lus lut luu lux lxd lxx p-p pdd pde pdl pdp pds pdt pdu pdx ped pee pel pep pes pet peu pex pld ple pll plp pls plt plu plx ppd ppe ppl ppp pps ppt ppu ppx ps- psd pse psl psp pss pst psu psx pt- ptd pte ptl ptp pts ptt ptu ptx pud pue pul pup pus put puu pxe pxl pxs pxt sdd sde sdl sdp sds sdt sdu se- sed see sel sep ses set seu sex sld sle sll slp sls slt slu slx spd spe spl spp sps spt spu spx ss- ssd sse ssl ssp sss sst ssu ssx std ste stl stp sts stt stu stx sud sue sul sup sus sut suu sux sxl sxs sxt sxu t-x tdd tde tdl tdp tds tdt tdu tdx te- ted tee tel tep tes tet teu tex tld tle tll tlp tls tlt tlu tlx tpd tpe tpl tpp tps tpt tpu tpx tsd tse tsl tsp tss tst tsu tsx ttd tte ttl ttp tts ttt ttu ttx tud tue tul tup tus tut tuu tux txe txl txs txt txu udd ude udl udp uds udt udu udx ued uee uel uep ues uet uld ule ull ulp uls ult ulu up- upd upe upp ups upt upu upx usd use usl usp uss ust usu usx utd ute utl utp uts utt utu utx uue uus uut uuu uxt uxu xde xds xdt xed xee xel xep xes xet xeu xex xld xls xlt xpd xpe xpl xpp xps xpt xsl xsp xss xst xtp xts xtx xue xul xup xus xxl xxp xxx