-er ddd dde ddi ddp ddr ddt ddx de- ded dee dei dep der det dex di- did die dii dip dir dit dix dpd dpe dpi dpp dpr dpt drd dre dri drp drr drt drx dtd dte dti dtp dtr dtt dtx dxd dxi dxp dxr dxt dxx ed- edd ede edi edp edr edt edx eed eee eep eer eet eex eid eie eii eip eir eit eix ep- epd epe epi epp epr ept epx erd ere eri erp err ert etd ete eti etp etr ett etx ex- exd exe exi exp exr ext exx i-d idd ide idi idp idr idt idx ie- ied iee iei iep ier iet iex iid iie iii iip iir iit iix ipd ipe ipi ipp ipr ipt ipx ir- ird ire iri irp irr irt irx itd ite iti itp itt itx ixe ixi p-p pdd pde pdi pdp pdr pdt pdx ped pee pei pep per pet pex pid pie pii pip pir pit pix ppd ppe ppi ppp ppr ppt ppx prd pre pri prp prr prt prx pt- ptd pte pti ptp ptr ptt ptx pxe pxr pxt rdd rde rdi rdp rdr rdt rdx re- red ree rei rep rer ret rex rid rie rii rip rir rit rix rpd rpe rpi rpp rpr rpt rpx rrd rri rrp rrr rrt rtd rte rti rtp rtr rtt rtx rxp rxr t-x tdd tde tdi tdp tdr tdt tdx te- ted tee tei tep ter tet tex tid tie tii tip tir tit tix tpd tpe tpi tpp tpr tpt tpx trd tre tri trp trr trt trx ttd tte tti ttp ttr ttt ttx txe txi txt xde xdi xdr xdt xed xee xep xer xet xex xie xii xit xix xpd xpe xpp xpt xrd xrt xrx xti xtp xtr xtx xxi xxp xxx

d-ix dddd ddie ddre dedd dede dedi deed deep deer deet deid deie deip deir deit depe depp depr dept der- dere deri derp derr dete detr dex- dexe dext dide didi died diep dier diet diex diii dipe dipp dipt dird dire dirr dirt dite diti ditt dixi dpdt dper dpie dppx dred dree drei dret drie drip drit drix dtdp dted dttp dttx dtxt dxdr dxed dxep dxii dxip dxix dxrd dxre dxrp dxrr dxrt dxrx dxxr dxxx edde eddi eddp ede- edei eder edex edie edip edit eede eeee eete eext eid- eide eidi eidr eied eiei eier eipr eird eire eiti eitr epee eper epi- epid epie epip epit epix eppp eprp epte epxp er-x erde erdi ered erei erer eret erie erit erpe erre etee eter etix etre ette etti exed exer exid exit expr expt exrx exte extr ided idee ider idex idid idie idir idre idtp iedr ieet ieie iere ieri iett iide iied iiie iiii iiit iitr iitt ipdi iper ipet ipex ipid ipie ipix ippr ipri ipxe irdp ired iree irer irex iri- irid irie irip irix irpe irre irri irte irti irtp itep iter itet itex itie itri ixxi pdpr ped- pede pedi peed peep peer peet peip peir peit pepd pepe pepi per- perd pere peri perp perr pert pete peti petr pett pide pidx pied piep pier piet piip pipe pipi pipp pire piri pirr pite piti pitr pitt pitx pixx pper ppid ppie pppd pppp pptt pre- pred pree prep pret prex pri- prid prie prii prix prpd prrd prri prti prtp prtr pter ptpd ptrd rder redd rede redi redr redx reed reep reet reid reii reir reit repe repi repp repr rept rerd rere reri rert retd rete reti retr rett rexx ridd ride ridi ridx ried riep rier riet riex ripd ripe ripi ripp ripr ript rire riri rite riti ritt rixe rpdp rpet rpii rpix rptd rred rrrr rtdt rtee rtei rtex rttp tdri tedd tede tedi tedx teed teer teet teie teip teir tepe tepi tepp ter- tere teri terp terr tete teti tetr tett tetx text tidd tide tie- tied tiee tiei tiep tier tiet tiit tip- tipe tipi tipp tipt tird tire tiri tirr tite titi titp titt tixt tped tper tpir tppd tppp tppr tpte tptp tptr tre- tred tree trei tret trex tri- trie trip trit trix trpe trpp trte trtr tter tttt txii txtr x-ed xeer xer- xert xexe xidi xiii xipe xixi xper xrep xtep xtie xxii xxix xxxi xxxx

-tree ddddd dedde dedee deder dedie dedir dedit deede deedi deepe deepp deere deidt deipe deite depex derde dered derpt derre deter detie detre dette dexie dexit didee didie didit diepe dieri diete diexi dired direr dirie diter dittd ditti dixer dixid dixie dixit drdre dredd drede dreed dreep dreid dreie drepe drere dride dried drier dripe dript drite dxdxd e-dee edder eddie eddir eddit eddre edere edidi edred eeeee eeped eepee eerde eerie eetti eider eidet eipri eirie eiter eitri eppie erdre erede erept erere erier erite erixx erred erte erter etete etext etite etree etter ettie exede exept exert exide exite exper exptr exred exter extre idied ieiri iepe ieper ierei iette iiiee iiiii iitti ipeti ipiti ippee ippei iprex irete irid- iride irite irpex irrep irrit itdid itete itext itire itrip itter ittre ittti p-rep pedee pedi- pedie pedir peere peeri peert peete peire peirt peixe pepee peppe peppi pept- perde perer peret peri- perid perie perit perre perri perte perti peter petie petit petr- petre petri pette petti pexip pided piede piere pieri piert piiri piped piper pipet pipex pipid pipit pippi pipri pirex pirie pirix pirre pirri piter pitie pitip pitre pitri pitti pixie ppxii prede preid preie prepd prete preti pride pried prier priit prite priti pritt pter- ptere pteri ptprd ptpre ptprr ptprt redde reddi reder redex redid redie redip redit reede reepe reere reeti reide reird repet repit reppe reprt reptd rerde rere- reree reret rerip rerir reted retee reter retex retie retip rette rexer rided rider riede rieti riped riper ripit rippe ririe rripe rtext t-rex