-er -up eee eel een eep eer eet eex ele ell eln elp elr elt elu elx en- ene enl enn enp enr ent enu ep- epe epl epn epp epr ept epu epx ere erl ern erp err ert eru ete etl etn etp etr ett etu etx eu- eue eul eun eup eur eut eux ex- exe exl exp exr ext exu exx l-p lee lel len lep ler let leu lex lle lll lln llp llr llt llu lne lnl lnn lnp lnr lnt lnu lpe lpl lpn lpp lpr lpt lpu lpx lrn lrp lrr lrt lru lte ltl ltp ltr ltt ltu ltx lue lul lun lup lur lut luu lux lxr lxx ne- nee nel nen nep ner net neu nex nle nll nln nlp nlr nlt nlu nlx nne nnl nnn nnp nnt nnu npe npl npn npp npr npt npu nre nrl nrn nrp nrr nrt nru nrx nte ntn ntp ntr ntt ntu ntx nue nul nun nup nur nut nuu nux nxl nxt p-p pee pel pen pep per pet peu pex ple pll pln plp plr plt plu plx pn- pne pnl pnn pnp pnr pnt pnu pnx ppe ppl ppn ppp ppr ppt ppu ppx pre prl prn prp prr prt pru prx pt- pte ptl ptn ptp ptr ptt ptu ptx pue pul pun pup pur put puu pxe pxl pxr pxt re- ree rel ren rep rer ret reu rex rle rll rln rlp rlr rlt rlu rnn rnp rnr rnt rnu rpe rpl rpn rpp rpr rpt rpu rpx rrl rrn rrp rrr rrt rru rte rtl rtn rtp rtr rtt rtu rtx rue run rup rur rut ruu rux rxp rxr t-x te- tee tel ten tep ter tet teu tex tle tll tln tlp tlr tlt tlu tlx tne tnl tnn tnp tnr tnt tnx tpe tpl tpn tpp tpr tpt tpu tpx tre trl trn trp trr trt tru trx tte ttl ttn ttp ttr ttt ttu ttx tue tul tun tup tur tut tuu tux txe txl txn txt txu uee uel uen uep uer uet ule ull uln ulp ulr ult ulu un- une unl unn unp unr unt unu unx up- upe upn upp upr upt upu upx ur- ure url urn urp urr urt uru urx ute utl utn utp utr utt utu utx uue uun uur uut uuu uxr uxt uxu xee xel xen xep xer xet xeu xex xlr xlt xnu xpe xpl xpn xpp xpt xrt xrx xtp xtr xtx xue xul xun xup xxl xxp xxx

-ene eeee eele eent eete eetu eext el-p elee elen eler elet elex elle ellu elne elpe elte elue elul enee enel ener enne ennu enp- ent- ente entp entr enue enur enut epee epen eper eple epll epln eppp eprp epte epxp er-x erel eren erer eret erle erll erne erpe erre ertl ertu erur etee etel eten eter etne etnr etre ette ettn ettu etun etux euer eule eur- eure eurt exel exen exer expn expr expt exrx exte extl extr exul le-u leel leen leep leer leet lele lell lelu lene lenn lent lepe lepp lept lere lern lerp lert lete lett leun leur lext lexx llet lleu llll lner lppl lprp lpxn lrne lrpu lrrr ltee ltnt lttr luer lule lull lulu lune lunn lunt lupe lupu lure lurt lute luup luxe lxxx n-up neel neen neep neer neet nele nell nelt nene nent nenu nepe nepr nept nere nerl nerr nert neru net- nete nett neue neun neur neut neuu nexe next nexx nler nlrp nnnn nnpr nntn nppl nprt npte nptn nren nrpn nrrl nrtl nter nteu ntnu ntrl ntru nttr nuee nuel nuer nule null nune nunn nunt nupe nure nurl nurn nurp nurr nurt nuru nute nutt nutu peel peen peep peer peet pel- pele pell pelt pelu pen- pene penn pent penu pepe per- pere perl pern perp perr pert peru pete petn petr pett peul peun peur peut ple- plee plen plet pleu plex plnt plpp pltt plue plup plur pnet pneu pnln pnnl pnpp pntl pntr pnup pnxt ppen pper pple pppn pppp ppru pptn pptt ppur pre- pree prel pren prep pret preu prex prle prlr prnp prtp prtr prue prut pruu pten pter pu-e puel puer puet pueu pule pull pulp pult pulu pune punt punu punx pupe pupl pupu pur- pure purl purp purr puru put- pute putt putu puxe reel reen reep reet rele rell relp relt rene renn rent renu repe repl repp repr rept repu rere rert reru rete retr rett reue reul reup reut reuu reux rexx rlee rleu rnnt rntp rnut rpet rppn rptn rrle rrrr rrun rtee rtex rtle rtlt rttp ruel ruen ruer ruet rule rull rune runn runt rupe rupp rupt rure rurp ruru rute rutl rutt rutu ruun teel teen teer teet tel- tele tell teln telt telu tene tenn tenp tent tenu tepe tepp tepu ter- tere tern terp terr teru tete tetr tett tetu tetx teut text tlen tltx tnut tper tppp tppr tpte tptp tptr tput tre- tree tren tret treu trex trpe trpn trpp trte trtr true trun trut truu trux tten tter tttt ttul tuel tuen tuer tuet tule tull tulp tulu tune tunn tunu tupe tupu ture turn turp turr turt turu tute tutl tutt tutu tuxl txen txtr u-rp uele uell uext ulee ulen ulex ulle ullr ulne ultt ulul unee unen uner unle unlp unne unte unut upen upne upnp uppe uppp uppu uptl upup ure- uret urex urle urne urre urte urun urup urur urut utel utep uter utne uttu uuen uulu uuuu uxue uxul xeer xen- xene xenn xenu xer- xert xexe xlet xlnt xlpe xnee xnet xper xrep xtep xtul xupl xuxu xxxx

-tree e-lux e-ten eeeee eeler eener eenet eepee eeten eleet elele elene eleut ellel ellen eller ellet ellul elpee elper elren elten elulu eluru elute enent enete enlen ennet enper enpeu