-er -up ddd dde ddi ddp ddr ddt ddu de- ded dee dei dep der det deu di- did die dii dip dir dit diu dpd dpe dpi dpp dpr dpt dpu drd dre dri drp drr drt dru dtd dte dti dtp dtr dtt dtu dud due dui dup dur dut ed- edd ede edi edp edr edt edu eed eee eep eer eet eid eie eii eip eir eit eiu ep- epd epe epi epp epr ept epu erd ere eri erp err ert eru etd ete eti etp etr ett etu eu- eud eue eui eup eur eut i-d idd ide idi idp idr idt idu ie- ied iee iei iep ier iet iid iie iii iip iir iit iiu ipd ipe ipi ipp ipr ipt ipu ir- ird ire iri irp irr irt iru itd ite iti itp itt itu iu- iud iue iui iup iur iut p-p pdd pde pdi pdp pdr pdt pdu ped pee pei pep per pet peu pid pie pii pip pir pit piu ppd ppe ppi ppp ppr ppt ppu prd pre pri prp prr prt pru pt- ptd pte pti ptp ptr ptt ptu pud pue pui pup pur put puu rdd rde rdi rdp rdr rdt rdu re- red ree rei rep rer ret reu rid rie rii rip rir rit rpd rpe rpi rpp rpr rpt rpu rrd rri rrp rrr rrt rru rtd rte rti rtp rtr rtt rtu rud rue rui rup rur rut ruu tdd tde tdi tdp tdr tdt tdu te- ted tee tei tep ter tet teu tid tie tii tip tir tit tiu tpd tpe tpi tpp tpr tpt tpu trd tre tri trp trr trt tru ttd tte tti ttp ttr ttt ttu tud tue tui tup tur tut tuu udd ude udi udp udr udt udu ued uee uei uep uer uet uid uie uii uip uir uit uiu up- upd upe upi upp upr upt upu ur- urd ure uri urp urr urt uru utd ute uti utp utr utt utu uue uur uut uuu

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

-tree ddddd dedde dedee deder dedie dedir dedit dedur dedut deede deedi deepe deepp deepu deere deidt deipe deite depue derde dered derpt derre derue deter detie detre dette detur deuit deure deuri deut- diddu didee didie didit didup diepe dieri diete dired direr dirie diter dittd ditti drdre dredd drede dreed dreep dreid dreie drepe drere dride dridu dried drier dripe dript drite drude druid druie drupe drupi druri duded duder duere duerr duete duett dueup duped duper dupri dured duree durer duret durie durre durte durtu dutie dutte e-dee edder eddie eddir eddit eddre edere edidi edred eeeee eeped eepee eerde eerie eetti eider eidet eipri eirie eiter eitri eppie