-er -up b-p b-u bbb bbd bbe bbo bbp bbr bbu bdb bdd bde bdo bdp bdr bdu be- beb bed bee beo bep ber beu bob bod boe boo bop bor bou bpb bpd bpe bpo bpp bpr bpu brb brd bre bro brp brr bru bub bud bue buo bup bur buu dbb dbd dbe dbo dbp dbr dbu ddb ddd dde ddo ddp ddr ddu de- deb ded dee deo dep der deu dob dod doe doo dop dor dou dpb dpd dpe dpo dpp dpr dpu drb drd dre dro drp drr dru dub dud due duo dup dur ebb ebd ebe ebo ebp ebr ebu ed- edb edd ede edo edp edr edu eeb eed eee eeo eep eer eo- eob eod eoe eoo eop eor eou ep- epb epd epe epo epp epr epu erb erd ere ero erp err eru eu- eub eud eue eup eur ob- obb obd obe obo obp obr obu odb odd ode odo odp odr odu oeb oed oee oeo oep oer oo- oob ood ooo oop oor op- opb opd ope opo opp opr or- orb ord ore oro orp orr oru ou- oud oue ouo oup our p-p pbb pbd pbe pbo pbp pbr pbu pdb pdd pde pdo pdp pdr pdu peb ped pee peo pep per peu pob pod poe poo pop por pou ppb ppd ppe ppo ppp ppr ppu prb prd pre pro prp prr pru pub pud pue pup pur puu rbb rbd rbe rbo rbp rbr rbu rdb rdd rde rdo rdp rdr rdu re- reb red ree reo rep rer reu rob rod roe roo rop ror rou rpb rpd rpe rpo rpp rpr rpu rrb rrd rrp rrr rru rub rud rue ruo rup rur ruu ubb ube ubo ubp ubr ubu udb udd ude udo udp udr udu ueb ued uee uep uer uob uod uoe uoo uop uor up- upb upd upe upo upp upr upu ur- urb urd ure uro urp urr uru uue uur uuu

bbbb bbdd bbdo bbeb bbpr bd-r bebb bebe bebo bede bedo bedu beeb beed beep beer beo- beod beor bepo berd bere bero berr beru beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boep boer boob bood booe boop boor bope bopp bor- bord bore boro borr boru boud boue boup bour bpoe bprd brdo breb bred bree breo brep brer brob brod broe broo bror brou brrr brud brue brup bubb bube bubo bubu budb budd bude budo budu buer bueu bur- burb burd bure buro burp burr buru d-bo dbpd dddd ddpo ddre ddub debe debu dedd dede dedo dedu deeb deed deep deer deop deor depe depo depp depr der- derb dere dero derp derr deue deur dobb dobe dobu dod- dodd dode dodo doer doob dood doop door dope dopo dopp dopr dord dore doro dorp dorr doru doub doud doue doup dour dper dred dree drob drod drop drou drub drue drup druu dub- dubb dube dubu dudd dude dudo dudu duer duo- dupe dupo dure duro duru duur ebbo ebbr ebed eber eboe eboo ebor ebpo ebro ebru ebur edde eddo eddp ede- eder edod edou edru edup edur eede eedu eeee eero eode eore epee eper epod epor eppo eppp eprb epro eprp epub erbb erbe erde ereb ered erer erob erod eroe eroo erpe erre erro erub erur eude euer eur- eure euro o-eo obbo obed ober oboe obor obre obro odbo oddd oded odeo oder odoo odop odor odou odrp odur oedo oere oobe ooer oooo oord oore oped opep oper opo- opor oppo orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreo orer oro- oroe oror orpe orro orub orup oude oued ouer oupe our- oure ouro ouu- pbed pdpr ped- pede pedo peed peep peer peor peou pepd pepe pepo per- perd pere pero perp perr peru peur pobo pod- podd pode podo podu poed poer pood poop poor pop- pope popo popp porb pore poro porr poud poup pour pper ppod pppd pppo pppp ppru ppur pre- preb pred pree prep preu pro- prob prod proe proo prop prou prpd prrd prud prue pruu pu-e pube pubu pudo pudu pued pueo puer pueu pupe pupu pur- purb pure puro purp purr puru rbbb rbbr rdbp rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reep reod reop reou repe repo repp repr repu rerd rere rero reru reue reup reuu rob- robb robe robo robu rodd rode rodo roed roer roob rood roop roor rope ropo rore roro roru roub roud roue roup rpdp rpob rpoe rred rrrr rubb rube rubp rubu rudd rude rudo rudp rued ruer rupe rupp rurd rure ruro rurp ruru ruud u-rp ubbe ubbo uber ubod ubud uder udoo udop udpd uor- uore upbe updo uped upor uppe uppp uppu upup urbe urde urdu ure- ured uro- uroo urpo urre urup urur uuuu

b-e-d bbbee bd-re bdoor be-er be-ro bebdo bebed beber bebod bebop bedde bedee beder bedub bedue beebe beede beerd beode beord beour bepop beppe beppo beppu berbe berde berdu bered berob beroe beror berre berru beuer beure bo-bo bobr bobre bobup bodd- boded boder bodoe bodor boedo boero boeur boode booed booer boord boore booru borbo borde bordo bored boree borer boro- borod boroo borou borre borro borup boudu boued bouee bouer bourd boure brebu bredd brede breed breer breo- brerd brere breu- brobo brodd brode brodo broer brood broud broue brrrr brud- brude brued bruer bubbe buber budde buddu budur buord burde buroo burro burru burud d-rod ddddd ddebo debed deber debro dedde dedee deder dedur deede deepe deepp deepu deere deore deoro depoe depop depor depue derbe derde dered dero- derob derre derro derub derue deure do-do dobee dober dobre dobro dodoo dodro doerr doodo doore doped doper doppe dored doree dorpe dorre dorud doude douer doupe doure douro drbob drdre dredd drede dreed dreep drepe drere drobe drobo