-er -up ddd dde ddl ddn ddp ddr ddu ddx de- ded dee del den dep der deu dex dl- dld dle dll dlp dlr dlu dlx dnd dne dnl dnn dnp dnr dpd dpe dpl dpn dpp dpr dpu drd dre drl drn drp drr dru drx dud due dul dun dup dur dux dxd dxl dxn dxp dxr dxx ed- edd ede edl edn edp edr edu edx eed eee eel een eep eer eex eld ele ell eln elp elr elu elx en- end ene enl enn enp enr enu ep- epd epe epl epn epp epr epu epx erd ere erl ern erp err eru eu- eud eue eul eun eup eur eux ex- exd exe exl exp exr exu exx l-p ldd lde ldl ldn ldp ldr ldu led lee lel len lep ler leu lex lld lle lll lln llp llr llu lnd lne lnl lnn lnp lnr lnu lpd lpe lpl lpn lpp lpr lpu lpx lrd lrn lrp lrr lru lud lue lul lun lup lur luu lux lxd lxr lxx ndd nde ndl ndn ndp ndr ndu ne- ned nee nel nen nep ner neu nex nld nle nll nln nlp nlr nlu nlx nne nnl nnn nnp nnu npd npe npl npn npp npr npu nrd nre nrl nrn nrp nrr nru nrx nud nue nul nun nup nur nuu nux nxd nxl p-p pdd pde pdl pdn pdp pdr pdu pdx ped pee pel pen pep per peu pex pld ple pll pln plp plr plu plx pn- pnd pne pnl pnn pnp pnr pnu pnx ppd ppe ppl ppn ppp ppr ppu ppx prd pre prl prn prp prr pru prx pud pue pul pun pup pur puu pxe pxl pxr rdd rde rdl rdn rdp rdr rdu rdx re- red ree rel ren rep rer reu rex rld rle rll rln rlp rlr rlu rnd rnn rnp rnr rnu rpd rpe rpl rpn rpp rpr rpu rpx rrd rrl rrn rrp rrr rru rud rue run rup rur ruu rux rxp rxr udd ude udl udn udp udr udu udx ued uee uel uen uep uer uld ule ull uln ulp ulr ulu un- und une unl unn unp unr unu unx up- upd upe upn upp upr upu upx ur- urd ure url urn urp urr uru urx uue uun uur uuu uxr uxu xde xdr xed xee xel xen xep xer xeu xex xld xlr xnu xpd xpe xpl xpn xpp xrd xrx xue xul xun xup xxl xxp xxx