bbbb bbeb bblb bbpr bebb bebe bebo beeb beel beep beer bele bell belo belp belu belz beo- beor bepo bere bero berr beru beur beze bezu bleb blee bleo bleu blob bloo blop blou blub blue blup blur bobb bobe bobo bobu boee boel boeo boep boer bole boll bolo bolu boob booe bool boop boor booz bope bopp bor- bore boro borr boru borz boue boul boup bour bozo bpel bpoe breb bree brel breo brep brer brez brlp brob broe brol broo bror brou broz brrr brue brup bruz bubb bube bubo bubu buel buer bueu bulb bule bull bulu bulz buol bur- burb bure burl buro burp burr buru burz buuz buze buzz bzer bzoe bzou bzzz ebbo ebbr ebel eber eboe ebol eboo ebor ebpo ebro ebru ebul ebur eeee eele eero eeze el-b el-p elbe elbo elbu elee eleo eler elle ello ellu elpe elro elue elul elze eole eolo eore eorl epee eper eple epll epol epor eppo eppp eprb epro eprp epub erbb erbe ereb erel erer erez erle erll erob eroe erol eroo erpe erre erro erub erur euer eule eur- eure euro ezel ezer ezop ezuz ezzo lblr lboz le-u lebo lebu leel leep leer lele lell lelo lelu leor leou leoz lepe lepo lepp lere lero lerp leur leze lezo lleu llll lloo lob- lobb lobe lobo loeb loeu lole loll lolo lolz loob looe lool loop loor looz lope lopp lopu lore loro loue loul loup lour louu loze lppl lprp lrpu lrrr lube luer lule lull lulu lulz lupe lupo lupu lure lurz luup luze lzop o-eo obbo obel ober oble oblu oboe obol obor obre obro oele oere olbo ole- oleo oler olle ollo olor olpe olur oobe ooer oolo oooo oore ooze opel opep oper ople opo- opor oppo orbb orbe orbo orbu ore- oreb orel oreo orer orle orlo orlu oro- oroe oror oroz orpe orro orub orup orzo orzu ouer oule oulu oupe our- oure ouro ouu- ouze ouzo ozee ozel ozer ozlu pblu pebl peel peep peer pel- pelb pele pell pelo pelu pelz peor peou pepe pepo per- pere perl pero perp perr peru peul peur peze pezo plbr ple- pleb plee pleo pleu plob ploo plop plou plpp plue plup plur pobo poel poer pole poll polo polu pool poop poor pop- pope popo popp porb pore poro porr porz poul poup pour poze pozo pper pple pplo pppo pppp ppru ppur pre- preb pree prel prep preu prez prle prlr pro- prob proe prol proo prop prou proz prue pruu pu-e pube publ pubu puel pueo puer pueu pule pull pulo pulp pulu pupe pupl pupu pur- purb pure purl puro purp purr puru puzo pzzl rbbb rbbr rble rebb rebe rebo rebu reeb reel reep relb rele rell relo relp reol reop reou repe repl repo repp repr repu rere rero reru reue reul reup reuu reze rezu rlee rleu rob- robb robe robo robu roel roer role roll rolo rolp roob rool roop roor rooz rope ropo rore roro roru roub roue roul roup rouz roze rozz rpob rpoe rrle rrrr rubb rube rubp rubu ruel ruer ruez rule rull rulo rupe rupp rure ruro rurp ruru ruze u-rp ubbe ubbo uber uble ublo uele uell uleb ulee uleo ulez ulle ullo ullr ulo- ulul uor- uore upbe uplb uplo upor uppe uppp uppu upup urbe ure- urle uro- urol uroo urpo urre urup urur uruz uulu uuuu uzbl uzeb uzel uzer z-ro zber zebe zebu zeel zeep zele zell zelo zepo zepp zero zeze zobo zoel zole zoll zolo zoo- zool zoop zope zopl zorb zore zoro zozo zozu zrze zubo zubr zubu zule zull zulu zulz zuoz zurb zurr zuru zuul zuzu zzzz