-er b-u bbb bbe bbf bbl bbr bbu be- beb bee bef bel ber beu bfb bfe bff bfl bfr bfu blb ble blf bll blr blu brb bre brf brl brr bru bub bue buf bul bur buu ebb ebe ebf ebl ebr ebu eeb eee eef eel eer ef- efb efe eff efl efr elb ele elf ell elr elu erb ere erf erl err eru eu- eub eue euf eul eur fbb fbe fbf fbl fbr fbu feb fee fef fel fer feu ffe fff ffl ffr ffu flb fle flf fll flr flu frb fre frf frl frr fru fub fue fuf ful fur fuu lbb lbe lbf lbl lbr lbu leb lee lef lel ler leu lfb lfe lff lfl lfr lfu llb lle llf lll llr llu lrb lrf lrr lru lub lue luf lul lur luu rbb rbe rbf rbl rbr rbu re- reb ree ref rel rer reu rfb rfe rff rfl rfr rfu rle rlf rll rlr rlu rrb rrf rrl rrr rru rub rue ruf rur ruu ubb ube ubf ubl ubr ubu ueb uee uef uel uer ufe uff ufl ufr ufu ulb ule ulf ull ulr ulu ur- urb ure urf url urr uru uue uur uuu

bbbb bbeb bblb bebb bebe beeb beef beel beer befe beff bele bell belu bere berr beru beur bffl bleb blee bleu blub blue bluf blur breb bree bref brel brer brfu brrr brue bubb bube bubu buel buer bueu bufe buff bufr bulb bule bull bulu bur- burb bure burl burr buru ebbr ebel eber ebru ebul ebur eeee eefe eefl eele efbr el-b elbe elbu elee elef eler elfe elle ellu elue elul erbb erbe ereb erel erer erle erll erre erub erur euer eule eur- eure fble feeb feel feer fefe feff fele felf fell ferb fere ferr feru ffee ffff ffrr flee fler flub flue fluf flur free frub frue fubb fubu fuel fuff fufu fule full fulu fur- fure furl furr lblr le-u lebu leef leel leer lefe leff lele lell lelu lere leur llef lleu llll lrrr lube luef luer lufe luff lufu lule lull lulu lure rbbb rbbr rble rebb rebe rebu reeb reef reel refe reff refl refr refu relb rele rell rere reru reue reuf reul reuu rfef rffl rlee rlef rleu rrle rrrr rubb rube rubu ruel ruer rufe ruff rule rull rure ruru ubbe uber uble uele uell ufel ufer uffe uleb ulee ulfe ulle ullr ulul urbe ure- urfe urff urle urre urur uulu uuuu

bbbee be-er bebel beber beebe beele beffe befur belee belef bellb belle belue belur berbe berel berle berre berru beuer beule beure bleer blere bleue bluer bluff blufr blurb blure blurr brebu breef breel breer brell brere breu- brrrr bruer bruff brule brull bubbe buber buble buell buffe bufle bulb- bull- bulle bulul burel burle burru ebber ebble ebell eberl eblul ebull ebure eeeee eeler efere effer efuru elele ellel eller ellul elulu eluru erbbe erber erere euell euler eurel eurre febel feble febre feele feere felle ferel ferle ferr- ferre feuer feule fleer flere fleur fluff flurb flure flurr freel freer frere freur fu-fu fulbe fulle fullf furel lebel leber leell leere lefeu leffe leful leleu lelle lerer lubbe luber luble lubur lufre lulle lulul lurer lurue rebbe rebel reber reefe reere refel refer reffe relee relue rere- reree reuel reuer reule rubee rubel ruber ruble ruele ruell ruere ruffe ruler ruule ubble uber- uelfe ufere ullur ululu uluru urelu urubu uuuuu

b-reel bbbbbb beblur beebee beefer beeler befell beflee befree belber beller belleu bellue belull berbee berber bereel berere berrer berube beurre bleere blublu blurre brebel breefe breere breuer brubru bruel brulee bruree bubber bubble bubele bububu bueler buffel buffer buffle bulbel bulbul bull-e bullee buller burble burbur burell burfee burler burree burrel burrer eberle ebrulf eburru eebree eeuler efeler effere elbeuf eleele erbree eubule euller feeble feeler felber feller ferber ferfel ferfer ferrel ferrer ferrur ferule fleble fleure fluber flurre freele frefre freure fubble fueler fuffle fuller furber furfur furler furrer furrfu leeful leelee leerer leffel lefull lubber lubefu luffer lufful luller lurulu rebble rebell rebuff rebulb reefer reeffe reeler reeuel refeel refeff refell reflee reflue refuel refurb refurl releef reller relleu rereel rerule reuele reuere reuler reulle rubbee rubbel rubber rubble rubell rueful ruelle ruffer ruffle ruller uruffe

bbbbbbb bbruler be-free bebeeru belbeuf belluru berbere berulle bleuler blubber blueflu bluffer blurrer brebeuf bubbler bueller buffell buffler bulbule bullule burbler burbure burelle burfell burrell ellerbe feebler felfree ferebee ferrell ferrere ferrule ferrure feruler fleerer flubber fluffer freebee frubber fueller furrure leffler lefulle leleble lleufer lureful re-blue rebelle rebluff referee referer releefe rerefer rubbell rubbler rubelle ruffler

bbbbbbbb beerbell berebere bluebell buruburu effeeble ellerbee feelblue feelfree fellerer freebeer freefell lefebure rebeller rebubble rebuffer referree referrer refueler

beblubber beebeebee blubberer blue-bell bluebelle felefeber fllllllll refueller

berberburr rebelrebel rubblerule rufflerule

rublerubble

bbbbbbbbbbbbbbb