-er b-u bbb bbe bbf bbh bbo bbr bbu be- beb bee bef beh beo ber beu bfb bfe bff bfh bfo bfr bfu bhb bhe bhf bhh bho bhr bhu bob boe bof boh boo bor bou brb bre brf brh bro brr bru bub bue buf buh buo bur buu ebb ebe ebf ebh ebo ebr ebu eeb eee eef eeo eer ef- efb efe eff efh efo efr ehb ehe ehf ehh eho ehr ehu eo- eob eoe eof eoh eoo eor eou erb ere erf erh ero err eru eu- eub eue euf eur fbb fbe fbf fbh fbo fbr fbu feb fee fef feh feo fer feu ffe fff ffh ffo ffr ffu fhb fhe fhf fhh fho fhr fob foe fof foh foo for fou frb fre frf frh fro frr fru fub fue fuf fuo fur fuu hbb hbe hbf hbh hbo hbr hbu he- heb hee hef heh heo her heu hfb hfe hff hfh hfo hfr hfu hhb hhe hhf hhh hho hhr hhu hob hoe hof hoh hoo hor hou hr- hrb hre hrf hrh hro hrr hru hub hue huf huh huo hur huu ob- obb obe obf obh obo obr obu oeb oee oef oeh oeo oer of- ofb ofe off ofo ofr ofu ohe ohf ohh oho ohr ohu oo- oob oof ooh ooo oor or- orb ore orf orh oro orr oru ou- oue ouf ouh ouo our rbb rbe rbf rbh rbo rbr rbu re- reb ree ref reh reo rer reu rfb rfe rff rfh rfo rfr rfu rh- rhb rhe rhf rhh rho rhr rhu rob roe rof roh roo ror rou rrb rrf rrh rrr rru rub rue ruf ruh ruo rur ruu ubb ube ubf ubh ubo ubr ubu ueb uee uef ueh uer ufe uff ufh ufo ufr ufu uhb uhe uhf uhh uho uhr uhu uob uoe uoo uor ur- urb ure urf uro urr uru uue uur uuu

-hou bbbb bbeb bebb bebe bebo beeb beef beer befe beff befo behr beo- beof beor bere bero berr beru beur bher bhff bhor bhur bhuu bobb bobe bobo bobu boee boef boeo boer bofe boff bofh bofu boho bohr bohu boob booe boof booh boor bor- bore borf borh boro borr boru boue bouf bouh bour breb bree bref breo brer brfu brob broe broh broo bror brou brrr brue bruh bubb bube bubo bubu buer bueu bufe buff bufo bufr buhe buho buhr bur- burb bure burh buro burr buru ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eefe eero efbr efeo efor eheh eher eheu ehre eore erbb erbe ereb erer erhu erob eroe eroo erre erro erub eruh erur euer eur- eure euro febo feeb feer fefe feff fefo fehr fehu feof feoh ferb fere fero ferr feru ffee ffff ffrr foer fofo fohr foof for- forb fore foro forr four free freo frob froe froh frou frub frue fubb fubu fuff fufu fuor fur- fure furo furr hebb hebe hebo hebr heeb heef heer hefe hehe heho heor heou herb here hero herr heru heue heur hhhh hhof hobe hobo hoer hofe hoff hofu hohe hoho hooe hoof hoor hore horo horr houe houf hour hree hrob hubb hube hubo huer hufe huff hufu huhu huor hure huro hurr huru huub o-eo obbo ober oboe obor obre obrh obro obuh oere oeuf ofer off- offe offh offo offr offu ofor ofre ohbe ohee oher ohho ohob ohoh ohre oobe ooer ooff ooho oooh oooo oore orbb orbe orbo orbu ore- oreb oreh oreo orer orfe orff orfu orhe oro- oroe orof oror orro orub ouer oufe ouff our- oure ouro ouu- rbbb rbbr rboh rebb rebe rebo rebu reeb reef refe reff refr refu rehb rehe reof reou rere rero reru reue reuf reuu rfef rheb rhee rheo rhob rhoh rhue rob- robb robe robo robu roer rofe roff rofo rohe rohr rohu roob roof roor rore roro roru roub roue rouf rouh rrrr rubb rube rubu ruer rufe ruff rufo ruhe ruhh ruhr rure ruro ruru ubbe ubbo uber ufer uffe uher uhoh uhuh uofo uor- uore urbe ure- ureh urfe urff urho uro- uroo urre urrh urur uuuu

bbbee be-er be-ro beber beebe beffe befoe befor befur beher behof behue behuf beofe beoff beour berbe bereh berhe berob beroe beror berre berru beuer beure bheer bhore bhour bo-bo bo-ho bobr bobre boero boeuf boeur boffo bohor booer boore booru borbo boree borer boro- boroo borou borre borro bouee bouer boure brebu breef breer breo- brere breu- brobo broer broue brrrr bruer bruff bubbe buber buffe buffo buoho bureh buroo burro burru ebber eboue ebure eeeee efere effer efore efuru eofor eorre erbbe erber erere eroor erore error eubro euro- eurre febre feeor feere fefor feher feoff ferr- ferre ferro feuer foore fore- foreh foreo forro foruh forur fouee fourb foure fourh fouro freeh freer frere freur frobe frore fu-fu fuero furbo furo- furor h-e-b he-he he-ro hebbe hebe- heber heere hefer heffe heore heroe herre herro herur heuer heure hhhhh hhour ho-ho ho-oh hoboe hobor hobro hobub hofer hofuf hohoe hooer hoore horeb horhe horre horro horru houff houre hrere hubbe huber hubur huere huffe huhuh hurbe hureh hurre huuru o-fer o-r-b obhor oboro oboue obreb offer offof offre ofher ofour oh-oh ohfoo ohour ohrob oo-er ooher ooooh ooooo oreo- orere orero orfeh orfeo orfeu orfoe orfor orobe orobo oroer orube oruro ouoro oure- rebbe reber reefe reere reerh refer reffe reffo reher rehoe rehue rere- reree rerob reuer rheo- rhoeo ro-ro robbe robbo rober robo- robor robur roero roffe rofor rohff rohob rohru rooer roofe roore rooue rorbu rorer rouer roufe rouhe roure rubee ruber rubof rubor ruere ruffe ruffo rufo- ruhub uber- ubobo ufere ufofu uforb uh-ee uh-oh uh-uh uhhoh uhhuh uhuru uouee ureo- uroob urour urubu uuuuu

bbbbbb beebee beefer before beforu befour befree behefe behofe behoof behror berbee berbeo berber berere berour berrer berube beurre bo-hoo bobber