-up ddd dde ddl ddp ddu ddx de- ded dee del dep deu dex dl- dld dle dll dlp dlu dlx dpd dpe dpl dpp dpu dud due dul dup dux dxd dxl dxp dxx ed- edd ede edl edp edu edx eed eee eel eep eex eld ele ell elp elu elx ep- epd epe epl epp epu epx eu- eud eue eul eup eux ex- exd exe exl exp exu exx l-p ldd lde ldl ldp ldu led lee lel lep leu lex lld lle lll llp llu lpd lpe lpl lpp lpu lpx lud lue lul lup luu lux lxd lxx p-p pdd pde pdl pdp pdu pdx ped pee pel pep peu pex pld ple pll plp plu plx ppd ppe ppl ppp ppu ppx pud pue pul pup puu pxe pxl udd ude udl udp udu udx ued uee uel uep uld ule ull ulp ulu up- upd upe upp upu upx uue uuu uxu xde xed xee xel xep xeu xex xld xpd xpe xpl xpp xue xul xup xxl xxp xxx