-er -up eee eep eer eet eex eie eii eip eir eit eiu eix ep- epe epi epp epr ept epu epx ere eri erp err ert eru ete eti etp etr ett etu etx eu- eue eui eup eur eut eux ex- exe exi exp exr ext exu exx ie- iee iei iep ier iet iex iie iii iip iir iit iiu iix ipe ipi ipp ipr ipt ipu ipx ir- ire iri irp irr irt iru irx ite iti itp itt itu itx iu- iue iui iup iur iut ixe ixi p-p pee pei pep per pet peu pex pie pii pip pir pit piu pix ppe ppi ppp ppr ppt ppu ppx pre pri prp prr prt pru prx pt- pte pti ptp ptr ptt ptu ptx pue pui pup pur put puu pxe pxr pxt re- ree rei rep rer ret reu rex rie rii rip rir rit rix rpe rpi rpp rpr rpt rpu rpx rri rrp rrr rrt rru rte rti rtp rtr rtt rtu rtx rue rui rup rur rut ruu rux rxp rxr t-x te- tee tei tep ter tet teu tex tie tii tip tir tit tiu tix tpe tpi tpp tpr tpt tpu tpx tre tri trp trr trt tru trx tte tti ttp ttr ttt ttu ttx tue tui tup tur tut tuu tux txe txi txt txu uee uei uep uer uet uie uii uip uir uit uiu up- upe upi upp upr upt upu upx ur- ure uri urp urr urt uru urx ute uti utp utr utt utu utx uue uur uut uuu uxr uxt uxu xee xep xer xet xeu xex xie xii xit xiu xix xpe xpp xpt xrt xrx xti xtp xtr xtx xue xui xup xxi xxp xxx

eeee eete eetu eext eiei eier eipr eire eiti eitr epee eper epi- epie epip epit epix eppp eprp epte epxp er-x erei erer eret erie erit eriu erpe erre ertu erur etee eter etix etre ette etti ettu etui etux euer eur- eure eurt exer exit expr expt exrx exte extr ieet ieie iere ieri iett iiie iiii iiit iitr iitt iper ipet ipex ipie ipix ippr ipri ipur iput ipxe iree irer irex iri- irie irip irix irpe irre irri irte irti irtp itep iter itet itex itie itri itup itur iuiu iupp ixxi peep peer peet peip peir peit pepe pepi per- pere peri perp perr pert peru pete peti petr pett peur peut piep pier piet piip pipe pipi pipp pire piri pirr piru pite piti pitr pitt pitu pitx pixx pper ppie pppp ppru pptt ppur pre- pree prep pret preu prex pri- prie prii prix prri prti prtp prtr prue prut pruu pter ptui pu-e puer puet pueu puir puit puiu pupe pupi pupu pur- pure puri purp purr puru put- pute puti putt putu puxe puxi reep reet reii reir reit reiu repe repi repp repr rept repu rere reri rert reru rete reti retr rett reue reup reut reuu reux rexx riep rier riet rieu riex ripe ripi ripp ripr ript rire riri rite riti ritt ritu riue rixe rpet rpii rpix rrrr rtee rtei rtex rttp ruer ruet ruit rupe rupp rupt rure ruri rurp ruru rute ruti rutt rutu teer teet teie teip teir teiu tepe tepi tepp tepu ter- tere teri terp terr teru tete teti tetr tett tetu tetx teut text tie- tiee tiei tiep tier tiet tiit tiiu tip- tipe tipi tipp tipt tipu tire tiri tirr tiru tite titi titp titt titu tixt tper tpir tppp tppr tpte tptp tptr tput tre- tree trei tret treu trex tri- trie trip trit trix trpe trpp trte trtr true trut truu trux tter tttt tuei tuer tuet tuit tuiu tuix tupe tupi tupu ture turi turp turr turt turu tute tuti tutt tutu txii txtr u-ie u-rp ueir uepi uext uipi uirr upie uppe uppp uppu upri upup ure- uret urex urie uriu urix urre urri urte urup urur urut utep uter utri utti uttu uuri uuuu uxue xeer xer- xert xexe xiii xipe xipu xixi xper xrep xtep xtie xuri xuxu xxii xxix xxxi xxxx

-tree eeeee eepee eerie eetti eipri eirie eiter eitri eppie epure erept erere erier erite eritu erixx errtu erte erter erupt etete etext etite etree etter ettie eturu eurex eurre exept exert exite exper exptr exter extre extue exute ieiri iepe ieper ierei iette iiiee iiiii iitti iperu ipeti ipiti ippee ippei iprex irete irite irpex irrep irrit irupi itete itext itire itrip itter ittre ittti itu-r itu-t ituri ituru itutu iuput iurie p-rep peere peeri peert peete peire peirt peixe pepee peppe peppi pept- pepup perer peret peri- perie perit perre perri perte perti perur peter petie petit petr- petre petri petru pette petti petur peure pexip piere pieri piert pieup piiri piper pipet pipex pipit pippi pipri pirex pirie pirix pirre pirri pirui piter pitie pitip pitre pitri pitru pitti piuri piuru piute pixie pixiu ppxii preie prete preti preux prier priit prite priti pritt prute pter- ptere pteri ptpre ptprr ptprt ptpru pueri puett pupet puppe pupri puree purer purex purie purre purte puter putit putre putt- putte putti puttu putup puuri re-up reepe reere reeti repet repit reppe reprt reput rere- reree reret rerip rerir retee reter retex retie retip rette reuer reuet reuir reute reuti rexer rieti rieux riper ripit rippe ripup ririe rirpu riuer rripe rtext ruere ruete ruiru rupee ruper rupie rupit ruter rutte ruutu t-rex teepe teeup tepee tepet tepeu tepit teppu tepui teret tereu terex terre terri tert- teter tetex tetr- tetri tette texte ti-ti tieit tiere tieri tierp tieup tieut tiexi tiper tipet tipit tippi tippu tipup tiree tirer tiret tirit tirru tirur titer titii titre titte titti titup tixte treer treet treie treip treit treix trepp trept trere treri trete trett treut treux triei trier triet trieu triip tripe tripi tripp tript trit- trite tritt truer truex truit trupt trute truxe ttttt tueie tueit tuire