-er -up b-p b-u bbb bbd bbe bbf bbp bbr bbu bdb bdd bde bdf bdp bdr bdu be- beb bed bee bef bep ber beu bfb bfd bfe bff bfp bfr bfu bpb bpd bpe bpf bpp bpr bpu brb brd bre brf brp brr bru bub bud bue buf bup bur buu dbb dbd dbe dbf dbp dbr dbu ddb ddd dde ddf ddp ddr ddu de- deb ded dee def dep der deu dfb dfd dfe dff dfp dfr dfu dpb dpd dpe dpf dpp dpr dpu drb drd dre drp drr dru dub dud due duf dup dur ebb ebd ebe ebf ebp ebr ebu ed- edb edd ede edf edp edr edu eeb eed eee eef eep eer ef- efb efd efe eff efp efr ep- epb epd epe epf epp epr epu erb erd ere erf erp err eru eu- eub eud eue euf eup eur fbb fbd fbe fbf fbp fbr fbu fdb fdd fde fdf fdp fdr fdu feb fed fee fef fep fer feu ffd ffe fff ffp ffr ffu fpb fpd fpe fpp fpr fpu frb frd fre frf frp frr fru fub fud fue fuf fup fur fuu p-p pbb pbd pbe pbf pbp pbr pbu pdb pdd pde pdf pdp pdr pdu peb ped pee pef pep per peu pfb pfd pfe pff pfp pfr pfu ppb ppd ppe ppf ppp ppr ppu prb prd pre prf prp prr pru pub pud pue puf pup pur puu rbb rbd rbe rbf rbp rbr rbu rdb rdd rde rdf rdp rdr rdu re- reb red ree ref rep rer reu rfb rfd rfe rff rfp rfr rfu rpb rpd rpe rpf rpp rpr rpu rrb rrd rrf rrp rrr rru rub rud rue ruf rup rur ruu ubb ube ubf ubp ubr ubu udb udd ude udf udp udr udu ueb ued uee uef uep uer ufd ufe uff ufp ufr ufu up- upb upd upe upf upp upr upu ur- urb urd ure urf urp urr uru uue uur uuu

bbbb bbdd bbeb bbpr bd-r bduf bebb bebe bede bedu beeb beed beef beep beer befe beff berd bere berr beru beur bfpp bprd breb bred bree bref brep brer brfu brrr brud brue brup bubb bube bubu budb budd bude budu buer bueu bufe buff bufr bur- burb burd bure burp burr buru dbpd dbpf dddd ddre ddub debe debu dedd dede dedu deeb deed deef deep deer defe deff depe depp depr der- derb dere derf derp derr deue deur dfer dfrf dper dred dree dref drub drue drup druu dub- dubb dube dubu dudd dude dudu duer duff dufu dupe dure duru duur ebbr ebed eber ebru ebur edde eddp ede- eder edfu edru edup edur eede eedu eeee eefe efbr epee eper eppp eprb eprp epub erbb erbe erde erdf ereb ered erer erpe erre erub erur eude euer eur- eure fede feeb feed feer fefe feff ferb ferd fere ferr feru feud ffee ffff ffrr fprf fred free frep frpd frub frue fubb fubu fudd fude fuff fufu fur- fure furr pbed pbrf pdpr ped- pede pedf peed peep peer peff pepd pepe per- perd pere perf perp perr peru peur pfff pffr pper pppd pppp pprf ppru ppur pre- preb pred pree pref prep preu prpd prrd prud prue pruf pruu pu-e pube pubu pudu pued puer pueu puff pupe pupu pur- purb pure purp purr puru rbbb rbbr rdbp rder rebb rebe rebu redd rede redr redu reeb reed reef reep refd refe reff refr refu repe repp repr repu rerd rere reru reue reuf reup reuu rfef rpdp rred rrrr rubb rube rubp rubu rudd rude rudp rued ruer rufe ruff rupe rupp rurd rure rurp ruru ruud u-rp ubbe uber ubud uder udpd ufer uffe ufpb upbe updf uped uppe uppp uppu upup urbe urde urdu ure- ured urfe urff urre urup urur uuuu

b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue beebe beede beerd beffe befur bepdf beppe beppu berbe berde berdu bered berre berru beuer beure brebu bredd brede breed breef breer brerd brere breu- brrrr brud- brude brued bruer bruff bubbe buber budde buddu budur buffe burde burru burud ddddd debed deber dedde dedee deder dedur deede deefe deeff deepe deepp deepu deere defed defer deffe depue derbe derde dered derre derub derue deure drdre dredd drede dreed dreep dreff drepe drere drude drupe dubee duded duder duere duerr dueup dufur duped duper durbe dured duree durer durre e-dee ebbed ebber ebure edder eddre edere edred eeeee eefde eeped eepee eerde efere effed effer efuru epure erbbe erber erdre erede erere erfde erred eurre febre fedde fedee feder fedup feere ferde fered ferr- ferre feued feuer frede freed freep freer frere freud freur frude fu-fu fudde fuddu furde furud p-rep pebre pedee peebu peedu peere pepee peppe pepup perde perdu perer perre perur peude peure prede preef preff prepd prude puber pudde puder pudur puppe pured puree purer purre re-up rebbe reber rebud redbd redde reder redub redup redur reede reefe reepe reere refdb refed refer reffe reppe repub rerde rere- reree reuer rperf rubee ruber rubup ruder ruede ruere ruffe rupee ruper rurde u-dub uber- udder ufere upedu upped upper urdee urubu urupe uuuuu

bbbbbb bedded bedder beduru beebee beedee beefed beefer beefup beeped beeper beerde befree bepuff berbee berber berede berere berrer berube beurre bredde breded breder breede breefe breere breuer brubru bruder brurde bruree bubber bububu budded budder buffed buffer burbur burder burdur burfee burped burpee burper burred burree burrer burrup de-err debdeb debefe debere debuff deburr dedupe deeded deedee deeder deeper defeud deffer defude depere depper depree depuff depure derere derfde derped derrer derure deubre dreder drpdre druber dubbed dubber dubdub dudder dudeup duerer duffed duffer duffup dupped dupper dupre dupree durfee eburru eebree effere effude eperdu erbree fedder federd feeded feedee feeder feered ferber ferder ferede ferfer ferred ferrer ferrup ferrur feuded feudee feuder freedb freepr freeup frefre