-er b-p bbb bbd bbe bbi bbp bbr bbt bdb bdd bde bdi bdp bdr bdt be- beb bed bee bei bep ber bet bi- bib bid bie bii bip bir bit bpb bpd bpe bpi bpp bpr bpt brb brd bre bri brp brr brt btb btd bte bti btp btr btt dbb dbd dbe dbi dbp dbr dbt ddb ddd dde ddi ddp ddr ddt de- deb ded dee dei dep der det di- dib did die dii dip dir dit dpb dpd dpe dpi dpp dpr dpt drb drd dre dri drp drr drt dtb dtd dte dti dtp dtr dtt ebb ebd ebe ebi ebp ebr ebt ed- edb edd ede edi edp edr edt eeb eed eee eep eer eet eib eid eie eii eip eir eit ep- epb epd epe epi epp epr ept erb erd ere eri erp err ert etb etd ete eti etp etr ett i-d ibb ibd ibe ibi ibp ibr ibt idb idd ide idi idp idr idt ie- ied iee iei iep ier iet iib iid iie iii iip iir iit ipb ipd ipe ipi ipp ipr ipt ir- irb ird ire iri irp irr irt itb itd ite iti itp itt p-p pbb pbd pbe pbi pbp pbr pbt pdb pdd pde pdi pdp pdr pdt peb ped pee pei pep per pet pib pid pie pii pip pir pit ppb ppd ppe ppi ppp ppr ppt prb prd pre pri prp prr prt pt- ptb ptd pte pti ptp ptr ptt rbb rbd rbe rbi rbp rbr rbt rdb rdd rde rdi rdp rdr rdt re- reb red ree rei rep rer ret rib rid rie rii rip rir rit rpb rpd rpe rpi rpp rpr rpt rrb rrd rri rrp rrr rrt rtb rtd rte rti rtp rtr rtt tbb tbd tbe tbi tbp tbr tbt tdb tdd tde tdi tdp tdr tdt te- teb ted tee tei tep ter tet tib tid tie tii tip tir tit tpb tpd tpe tpi tpp tpr tpt trb trd tre tri trp trr trt ttb ttd tte tti ttp ttr ttt

bbbb bbdd bbeb bbet bbpr bd-r bdii bebb bebe bebi bede bedi beeb beed beep beer beet beir beit berd bere beri berr bert bete beti bett bibb bibe bibi bide bidi bidr bieb bied bier biet bipp birb bird bire biri birr birt bitd bite bitt bprd bpti brdt breb bred bree brei brep brer bret brid brie brit brrr btbp btdt btie btrt bttb dbit dbpd dbtt dddd ddie ddre debe debi debt dedd dede dedi deeb deed deep deer deet deid deie deip deir deit depe depp depr dept der- derb dere deri derp derr dete detr dibb dibe dibp dide didi dieb died diep dier diet diii dipe dipp dipt dird dire dirr dirt dite diti ditt dpdt dper dpie dred dree drei dret drib drie drip drit dtdp dted dttp ebbr ebed eber ebid ebit edde eddi eddp ede- edei eder edie edip edit eede eeee eete eid- eide eidi eidr eied eiei eier eipr eird eire eitb eiti eitr epee eper epi- epid epie epip epit eppp eprb eprp epte erbb erbe erde erdi ereb ered erei erer eret erie erit erpe erre etbr etee eter etre ette etti i-be ibed ibet ibid ibie ibrd ibri ibtb idbe ided idee ider idid idie idir idre idtp iedr ieet ieie iere ieri iett iide iied iiie iiii iiit iitr iitt ipdi iper ipet ipid ipie ippr ipri irbe irbp irdp ired iree irer iri- irid irie irip irpe irre irri irte irti irtp itbe itep iter itet itie itri pbed 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 pibb pibi pide pied piep pier piet piip pipe pipi pipp pire piri pirr pite piti pitr pitt pper ppib ppid ppie pppd pppp pptt pre- preb pred pree prep pret pri- prid prie prii prpd prrd prri prti prtp prtr pter ptpd ptrd rbbb rbbr rdbp rder rebb rebe redd rede redi redr reeb reed reep reet reid reii reir reit repe repi repp repr rept rerd rere reri rert retd rete reti retr rett rib- ribe ridd ride ridi ried riep rier riet ripd ripe ripi ripp ripr ript rire riri rite riti ritt rpdp rpet rpii rptd rred rrrr rtdt rtee rtei rttp tbit tbrb tbtp tddb tdri tedd tede tedi teed teer teet teie teip teir tepe tepi tepp ter- tere teri terp terr tete teti tetr tett tibi tidd tide tie- tied tiee tiei tiep tier tiet tiit tip- tipe tipi tipp tipt tirb tird tire tiri tirr tite titi titp titt tped tper tpir tppd tppp tppr tpte tptp tptr tre- tred tree trei tret tri- trib trie trip trit trpe trpp trte trtr ttbb tter tttt

-tree b-e-d bbbee bd-re be-er bebed beber bebti bedde bedee beder bedet bedid bedip bedri beebe beede beedi beepi beerd beeri beete beibi beide beidi beier beird beire beite beppe berbe berde bered berei beret berid berie berit berre berri berte berti betee beter betid betie betre bett- bette betti bibbe biber bibie bibri bidde bided bider bidet bidri biebe bierd biere bieri biert bieti biide biped bipib birde birie bited biter bitit bitte bitti bredd brede bredi bredt breed breer breet breid breit brerd brere brett bribe bride bridi brier brite britt brrrr btr-d btr-t ddddd debbi debed deber debet debie debir debit debte dedde dedee deder dedie dedir dedit deede deedi deepe deepp deere deidt deipe deite depbt derbe derbi derde dered derib derpt derre deter detie detre dette dibri didee didie didit diebe diepe dieri diete dired direr dirie diter ditib dittd ditti drdre dredd drede dreed dreep dreid dreie drepe drere dride dried drier dripe dript drite e-dee ebbed ebber ebbet ebbie ebeid ebert ebibe ebird edder eddie eddir eddit eddre edere edidi edred eeeee eeped eepee eerde eerie