piri pirl pirn pirr piru pite piti pitr pitt pitu ple- plee plei plen plet pleu plie plin plip plit plnt plpp plri pltt plue plup plur pnet pneu pnin pnln pnnl pnpp pntl pntr pnup ppen pper ppie pple ppli pppn pppp ppru pptn pptt ppur pre- pree prel pren prep pret preu pri- prie prii prin prle prlr prnp prri prti prtp prtr prue prut pruu pten pter ptui pu-e puel puer puet pueu puin puir puit puiu pule puli pull pulp pult pulu pune punt punu pupe pupi pupl pupu pur- pure puri purl purp purr puru put- pute puti putt putu reel reen reep reet reii reil rein reir reit reiu rele rell relp relt rene reni renn rent renu repe repi repl repp repr rept repu rere reri rert reru rete reti retr rett reue reul reup reut reuu riel rien riep rier riet rieu riin rile rill rilp rilu rine rinn ripe ripi ripl ripp ripr ript rire riri rite riti ritl ritt ritu riue rlee rleu rlin rnie rnin rnli rnnt rntp rnut rpet rpii rppn rptn rrle rrrr rrun rtee rtei rtle rtlt rttp ruel ruen ruer ruet ruin ruit rule rull rune runi runn runt rupe rupp rupt rure ruri rurp ruru rute ruti rutl rutt rutu ruun teel teen teer teet teie teil tein teip teir teiu tel- tele teli tell teln telt telu tene teni tenn tenp tent tenu tepe tepi tepp tepu ter- tere teri tern terp terr teru tete teti tetr tett tetu teut tie- tiee tiei tiel tien tiep tier tiet tiit tiiu tile till tiln tilr tilt tine tini tinn tint tinu tip- tipe tipi tipp tipt tipu tire tiri tirl tirr tiru tite titi titp titt titu tlen tlli tnut tper tpir tppp tppr tpte tptp tptr tput tre- tree trei tren tret treu tri- trie tril trin trip trit trpe trpn trpp trte trtr true trun trut truu tten tter tttt ttul tuei tuel tuen tuer tuet tuil tuin tuit tuiu tule tuli tull tulp tulu tune tuni tunn tunu tupe tupi tupu ture turi turn turp turr turt turu tute tuti tutl tutt tutu u-ie u-rp uein ueir uele ueli uell uepi uile uint uipi uirr ulee ulen ulie ulle ulli ullr ulne ulti ultt ulul unee unen uner uni- unie unii unin unir unit unle unlp unne unni unte unut upen upie upin upne upnp uppe uppp uppu upri uptl upup ure- uret urie urin uriu urle urne urni urre urri urte urun urup urur urut utel utep uter util utin utne utri utti uttu uuen uulu uuni uuri uuuu

-tree e-ten eeeee eeler eener eenet eenie eepee eerie eeten eetti eilen eiler eilet eilne einen einer einin eipri eirie eirin eitel eiter eitri eleet elele elene eleni eleri eleut eliel eline elini elint elite ellel ellen eller ellet ellie ellin ellul elpee elper elren elten elulu eluru elute enent enete eneti enlen enlil ennet ennin ennit ennui enper enpeu enrut entei entel enten enter entin entir entre enure enurn epeen epene epine eppie epuli epuni epure ereen erept erere erier erite eritu erlen erlin ernei ernen ernet ernie ernle erpel errtu erte ertel erter ertil ertun erupt etern etete etile etine etite etnre etree etrun ettel etten etter ettie ettin ettle eturu euell eulen euler eunet eupen eurel eurre eutin i-pin ieiri iepe ieper ierei ierne iette iiiee iiiii iinet iitti iiuni ilene ilent ileri iller illin illit illui ilter iltur ilulu ineni inent inept inere ineri inert inili inini inipi inite inlet inner innet innie innit inniu innti inpen input inrun intel inten inter intet intil intpr intue inuit inure inurn ipel ipele iperu ipeti ipini ipiti ippee ippei ippen irele irene irent irete iriel irill irinn irite irnen irpin irrel irrep irrit irule irupi iteen itele itell itete itire itnet itrip ittel itter ittre ittti itu-r itu-t itune ituni ituri iturn ituru itutu iuliu iunit iunre iunte iuput iurie leeli leell leere leert leile leill leine leint leip- leire leite lelei lelep leleu lelle lelli lenie lenin lenne lenni lente lenti lepel leper lepet lepin lepir leppe lepre lept- leren lerer lerie lerne lerni leten letil letin letit letre lette letup letur leuni leupp liein lieli liene liepe liere lieup lieut liien lilet lilie lilin liliu lille lilli lilun linee linen liner linet linie linin linlu linne linpu linte lipen lipet lipie lipin lipne lippe lippi liril lirui litel liten liter litir litre litte litti litui litup liule liuli liune liure lline lueen luen luire luite lulin lulle lulli lulte lulul lunel lunet luni- lunin lunne luper lupin luppe luppi lupul luren lurer lurie lurin lurne lurue lurun lurup lute- luter lutin lutte lutui luuri n-p-n neele neeli neelu neere neetu neiel neile neill neipu nelle nellu nenni nente neper neple neppe nepte neree neret nerii nerli nerre nerte nerul nerur neten netin netle netne nette netti neuen neuer neueu neuie neuil neuin neuir neune neur- neure neuri neurl niene niepe niere niete nieul nieun niiip nilin nilit ninee niner ninti nintu ninur ninut niper nipin nipit nippu nipri nipte nipup nirel nirit nitel niten niter nitin nitr- nitre nitte nitti nlnet ntete ntile ntini ntlet ntnui nu-nu nueil nuell nuiit nulle nulli nulti nunet nunit nunni nunun nupen nupli nuprl nupur nure- nurin nurit nurlu nurri nurun nutil nutri nutte p-n-p p-rep peein peele peell peene peent peere peeri peerl peert peete peile peill peine peint peire peirl peirt pelee peler pelet pelin pelit pelle pelli pelni pene- pener penii penil penin penit penne penni penre pent- pente pentu penup penur pepee pepel pepin peple peppe peppi pept- pepup perel peren perer peret peri- perie peril perin perit perle perne pernt perre perri perte perti perun perur peter petie petin petit petr- petre petri petru pette petti petun petur peule peure piein piele pieni piere pieri piert pieup piilu piiri pilei piler pilet pili- pilin pille pilur pilut pinel piner pinet pinin pinit pinle pinll pinn- pinne