dddd ddie ddre dedd dede dedi dedu deed deep deer deet deid deie deip deir deit depe depp depr dept der- dere deri derp derr dete detr deue deur deut dide didi didu died diep dier diet dieu diii dipe dipp dipt dipu dird dire dirr dirt dite diti ditt dpdt dper dpie dred dree drei dret drie drip drit drue drui drup drut druu dtdp dted dttp dudd dude dudu duer duet duid duir duit dupe dure duri durt duru dute dutp duur duut edde eddi eddp ede- edei eder edie edip edit edru edup edur eede eedu eeee eete eetu eid- eide eidi eidr eidu eied eiei eier eipr eird eire eiti eitr epee eper epi- epid epie epip epit eppp eprp epte erde erdi ered erei erer eret erie erit eriu erpe erre ertu erur etee eter etre ette etti ettu etui eude euer eur- eure eurt ided idee ider idid idie idir idre idtp iedr ieet ieie iere ieri iett ieud iide iied iiie iiii iiit iitr iitt ipdi iper ipet ipid ipie ippr ipri ipur iput irdp ired iree irer iri- irid irie irip irpe irre irri irte irti irtp itep iter itet itie itri itup itur iuiu iupp pdpr ped- pede pedi peed peep peer peet peip peir peit pepd pepe pepi per- perd pere peri perp perr pert peru pete peti petr pett peur peut pide pied piep pier piet piip pipe pipi pipp pire piri pirr piru pite piti pitr pitt pitu pper ppid ppie pppd pppp ppru pptt ppur pre- pred pree prep pret preu pri- prid prie prii prpd prrd prri prti prtp prtr prud prue prut pruu pter ptpd ptrd ptui pu-e pudu pued puer puet pueu puid puir puit puiu pupe pupi pupu pur- pure puri purp purr puru put- pute puti putt putu rder redd rede redi redr redu reed reep reet reid reii reir reit reiu repe repi repp repr rept repu rerd rere reri rert reru retd rete reti retr rett reue reup reut reuu ridd ride ridi ried riep rier riet rieu ripd ripe ripi ripp ripr ript rire riri rite riti ritt ritu riue rpdp rpet rpii rptd rred rrrr rtdt rtee rtei rttp rudd rude rudi rudp rued ruer ruet ruid ruit rupe rupp rupt rurd rure ruri rurp ruru rute ruti rutt rutu ruud tdri tedd tede tedi teed teer teet teie teip teir teiu tepe tepi tepp tepu ter- tere teri terp terr teru tete teti tetr tett tetu teut tidd tide tie- tied tiee tiei tiep tier tiet tiit tiiu tip- tipe tipi tipp tipt tipu tird tire tiri tirr tiru tite titi titp titt titu tpdu tped tper tpir tppd tppp tppr tpte tptp tptr tput tre- tred tree trei tret treu tri- trie trip trit trpe trpp trte trtr trud true trut truu tter tttt tude tudi tudu tuei tuer tuet tuit tuiu tupe tupi tupu turd ture turi turp turr turt turu tute tuti tutt tutu u-ie u-rp uddi uder udet udid udir udpd ueir uepi uipi uirr uped upie uppe uppp uppu upri upup urde urdu ure- ured uret urie uriu urre urri urte urup urur urut utep uter utid utpd utri utti uttu uuri uuuu