-er -up ddd dde ddf ddl ddn ddp ddr ddu de- ded dee def del den dep der deu dfd dfe dff dfl dfn dfp dfr dfu dl- dld dle dlf dll dlp dlr dlu dnd dne dnf dnl dnn dnp dnr dpd dpe dpf dpl dpn dpp dpr dpu drd dre drl drn drp drr dru dud due duf dul dun dup dur ed- edd ede edf edl edn edp edr edu eed eee eef eel een eep eer ef- efd efe eff efl efp efr eld ele elf ell eln elp elr elu en- end ene enf enl enn enp enr enu ep- epd epe epf epl epn epp epr epu erd ere erf erl ern erp err eru eu- eud eue euf eul eun eup eur fdd fde fdf fdl fdn fdp fdr fdu fed fee fef fel fen fep fer feu ffd ffe fff ffl ffn ffp ffr ffu fld fle flf fll fln flp flr flu fnd fne fnf fnl fnn fnp fnr fnu fpd fpe fpl fpn fpp fpr fpu frd fre frf frl frn frp frr fru fud fue fuf ful fun fup fur fuu l-p ldd lde ldf ldl ldn ldp ldr ldu led lee lef lel len lep ler leu lfd lfe lff lfl lfn lfp lfr lfu lld lle llf lll lln llp llr llu lnd lne lnl lnn lnp lnr lnu lpd lpe lpf lpl lpn lpp lpr lpu lrd lrf lrn lrp lrr lru lud lue luf lul lun lup lur luu ndd nde ndf ndl ndn ndp ndr ndu ne- ned nee nef nel nen nep ner neu nfd nfe nff nfl nfn nfp nfr nfu nld nle nlf nll nln nlp nlr nlu nne nnf nnl nnn nnp nnu npd npe npf npl npn npp npr npu nrd nre nrf nrl nrn nrp nrr nru nud nue nul nun nup nur nuu p-p pdd pde pdf pdl pdn pdp pdr pdu ped pee pef pel pen pep per peu pfd pfe pff pfl pfn pfp pfr pfu pld ple plf pll pln plp plr plu pn- pnd pne pnf pnl pnn pnp pnr pnu ppd ppe ppf ppl ppn ppp ppr ppu prd pre prf prl prn prp prr pru pud pue puf pul pun pup pur puu rdd rde rdf rdl rdn rdp rdr rdu re- red ree ref rel ren rep rer reu rfd rfe rff rfl rfn rfp rfr rfu rld rle rlf rll rln rlp rlr rlu rnd rnn rnp rnr rnu rpd rpe rpf rpl rpn rpp rpr rpu rrd rrf rrl rrn rrp rrr rru rud rue ruf run rup rur ruu udd ude udf udl udn udp udr udu ued uee uef uel uen uep uer ufd ufe uff ufl ufn ufp ufr ufu uld ule ulf ull uln ulp ulr ulu un- und une unf unl unn unp unr unu up- upd upe upf upn upp upr upu ur- urd ure urf url urn urp urr uru uue uun uur uuu