-er -up eee eel een eep eer eet eev ele ell eln elp elr elt elu elv en- ene enl enn enp enr ent enu env ep- epe epl epn epp epr ept epu ere erl ern erp err ert eru erv ete etl etn etp etr ett etu etv eu- eue eul eun eup eur eut euv eve evl evn evp evr evt evv l-p lee lel len lep ler let leu lev lle lll lln llp llr llt llu llv lne lnl lnn lnp lnr lnt lnu lpe lpl lpn lpp lpr lpt lpu lpv lrn lrp lrr lrt lru lrv lte ltl ltp ltr ltt ltu ltv lue lul lun lup lur lut luu luv lve lvl lvn lvp lvr lvt lvv ne- nee nel nen nep ner net neu nev nle nll nln nlp nlr nlt nlu nlv nne nnl nnn nnp nnt nnu nnv npe npl npn npp npr npt npu npv nre nrl nrn nrp nrr nrt nru nrv nte ntn ntp ntr ntt ntu ntv nue nul nun nup nur nut nuu nuv nve nvl nvn nvp nvt nvu nvv p-p pee pel pen pep per pet peu pev ple pll pln plp plr plt plu plv pn- pne pnl pnn pnp pnr pnt pnu pnv ppe ppl ppn ppp ppr ppt ppu ppv pre prl prn prp prr prt pru prv pt- pte ptl ptn ptp ptr ptt ptu ptv pue pul pun pup pur put puu pve pvl pvn pvp pvr pvt pvu pvv re- ree rel ren rep rer ret reu rev rle rll rln rlp rlr rlt rlu rnn rnp rnr rnt rnu rnv rpe rpl rpn rpp rpr rpt rpu rpv rrl rrn rrp rrr rrt rru rte rtl rtn rtp rtr rtt rtu rtv rue run rup rur rut ruu ruv rve rvl rvn rvp rvr rvt rvu rvv te- tee tel ten tep ter tet teu tev tle tll tln tlp tlr tlt tlu tlv tne tnl tnn tnp tnr tnt tpe tpl tpn tpp tpr tpt tpu tpv tre trl trn trp trr trt tru trv tte ttl ttn ttp ttr ttt ttu ttv tue tul tun tup tur tut tuu tuv tve tvl tvn tvp tvr tvt tvu uee uel uen uep uer uet ule ull uln ulp ulr ult ulu ulv un- une unl unn unp unr unt unu unv up- upe upn upp upr upt upu upv ur- ure url urn urp urr urt uru ute utl utn utp utr utt utu utv uue uun uur uut uuu uve uvl uvu uvv v-e vee vel ven vep ver vet veu vl- vle vll vlp vlt vlv vn- vnl vnp vnr vnu vnv vpe vpl vpn vpp vpr vpt vpu vre vrn vrp vrr vrt vru vte vtl vtr vtt vtu vtv vue vul vup vur vut vuv vvr vvt vvv