-er -ol b-u bbb bbd bbe bbl bbo bbr bbu bbx bdb bdd bde bdl bdo bdr bdu bdx be- beb bed bee bel beo ber beu bex blb bld ble bll blo blr blu blx bob bod boe bol boo bor bou box brb brd bre brl bro brr bru brx bub bud bue bul buo bur buu bux bxb bxd bxl bxo bxx dbb dbd dbe dbl dbo dbr dbu dbx ddb ddd dde ddl ddo ddr ddu ddx de- deb ded dee del deo der deu dex dl- dlb dld dle dll dlo dlr dlu dlx dob dod doe dol doo dor dou dox drb drd dre drl dro drr dru drx dub dud due dul duo dur dux dxd dxl dxo dxr dxx ebb ebd ebe ebl ebo ebr ebu ebx ed- edb edd ede edl edo edr edu edx eeb eed eee eel eeo eer eex elb eld ele ell elo elr elu elx eo- eob eod eoe eol eoo eor eou erb erd ere erl ero err eru eu- eub eud eue eul eur eux ex- exd exe exl exo exr exu exx lbb lbd lbe lbl lbo lbr lbu lbx ldb ldd lde ldl ldo ldr ldu leb led lee lel leo ler leu lex llb lld lle lll llo llr llu lob lod loe lol loo lor lou lox lrb lrd lro lrr lru lub lud lue lul luo lur luu lux lxd lxo lxr lxx ob- obb obd obe obl obo obr obu obx odb odd ode odl odo odr odu oeb oed oee oel oeo oer oex olb old ole oll olo olu oo- oob ood ool ooo oor oox or- orb ord ore orl oro orr oru orx ou- oud oue oul ouo our ox- oxb oxo oxx rbb rbd rbe rbl rbo rbr rbu rbx rdb rdd rde rdl rdo rdr rdu rdx re- reb red ree rel reo rer reu rex rld rle rll rlo rlr rlu rob rod roe rol roo ror rou rox rrb rrd rrl rrr rru rub rud rue ruo rur ruu rux rxr ubb ube ubl ubo ubr ubu ubx udb udd ude udl udo udr udu udx ueb ued uee uel uer ulb uld ule ull ulo ulr ulu uob uod uoe uol uoo uor uox ur- urb urd ure url uro urr uru urx uue uur uuu uxb uxo uxr uxu xbe xbl xbr xbx xdb xde xdr xed xee xel xer xeu xex xlb xld xlr xod xoo xor xox xrd xrx xue xul xxl xxo xxx

bbbb bbdd bbdo bbeb bblb bbox bd-r bdle bebb bebe bebo bede bedl bedo bedu beeb beed beel beer beld bele bell belo belu beo- beod beor berd bere bero berr beru beur beux bldr bleb bled blee bleo bleu blob blod bloo blou blub blud blue blur bobb bobe bobo bobu bodb bode bodo bodu boee boel boeo boer bold bole boll bolo bolu boob bood booe bool boor boox bor- bord bore boro borr boru boud boue boul bour brdo breb bred bree brel breo brer brex brob brod broe brol broo bror brou brox brrr brud brue brux bubb bube bubo bubu budb budd bude budl budo budu buel buer bueu bulb buld bule bull bulu buol bur- burb burd bure burl buro burr buru d-bo dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deel deer deld dele dell delo deol deor der- derb dere dero derr deue deul deur deux dex- dexe dlbd dlux do-x dobb dobe dobl dobu dod- dodd dode dodo doel doer dold dole doll dolo dolu doob dood dool door dord dore doro dorr doru doub doud doue doul dour doux dred dree drel drob drod drol drou drub drue druu dub- dubb dube dubu dudd dude dudo dudu duel duer dule dull dulo dulu duo- dure duro duru duul duur dxbe dxbl dxbr dxdr dxed dxel dxll dxlr dxol dxrd dxre dxrl dxrr dxrx dxue dxur dxxl dxxr dxxx ebbo ebbr ebed ebel eber eboe ebol eboo ebor ebox ebro ebru ebul ebur edde eddo ede- edel eder edex edle edod edou edru edur edxl eede eedu eeee eele eero el-b elbe elbo elbu elde eldr eled elee eleo eler elex elle ello ellu elod elro elue elul eode eole eolo eore eorl eoux er-x erbb erbe erde ereb ered erel erer erld erle erll erob erod eroe erol eroo erre erro erub erur eude euer eule eur- eure euro exed exel exer exo- exod exor exrx exul lblr ldeo le-u lebd lebo lebu lede ledo leed leel leer lele lell lelo lelu leod leor leou leox lerd lere lero leud leur lexx lldb lleu llll llod lloo llud lob- lobb lobe lobo lode loeb loeu lold lole loll lolo loob lood looe lool loor lord lore loro loud loue loul lour louu loux lox- loxo lrdd lrrr lube ludd lude ludo lued luer lule lull lulu lurd lure luxe luxo lxde lxxx o-eo obbo obed obel ober obex oble oblu oboe obol obor obox obre obro odbo oddd oded odel odeo oder odex odle odoo odor odou odrl odur oedo oele oere olbo oldb olde ole- oled oleo oler olle ollo olor olur olux oobe ooer oold oolo oooo oord oore orbb orbe orbo orbu orde ordo ordu ore- oreb ored orel oreo orer orex orle orlo orlu oro- oroe oror orro orub oude oued ouer ould oule oulu oulx our- oure ouro ouu- oxer oxo- oxox oxud oxxo rbbb rbbr rble rder rebb rebe rebo rebu redd rede redl redo redr redu redx reeb reed reel relb reld rele rell relo reod reol reou rerd rere rero reru reue reul reuu reux rexx rlee rleu rob- robb robe robo robu rodd rode rodo roed roel roer rold role roll rolo roob rood rool roor roox rore roro roru roub roud roue roul roux roxo rred rrle rrrr rubb rube rubu rudd rude rudl rudo rued ruel ruer rule