-er -ey bbb bbe bbf bbo bbr bbt bby be- beb bee bef beo ber bet bey bfb bfe bff bfo bfr bft bfy bob boe bof boo bor bot boy brb bre brf bro brr brt bry btb bte btf bto btr btt bty by- bye byf byo byr byt ebb ebe ebf ebo ebr ebt eby eeb eee eef eeo eer eet eey ef- efb efe eff efo efr eft eo- eob eoe eof eoo eor eot erb ere erf ero err ert ery etb ete etf eto etr ett ety eye eyo eyr eyt fbb fbe fbf fbo fbr fbt feb fee fef feo fer fet fey ffe fff ffo ffr fft ffy fob foe fof foo for fot foy frb fre frf fro frr frt fry ftb fte ftf fto ftr ftt fty fy- fyb fye fyo ob- obb obe obf obo obr obt oby oeb oee oef oeo oer oet oey of- ofb ofe off ofo ofr oft oo- oob oof ooo oor oot or- orb ore orf oro orr ort ory ot- otb ote otf oto otr ott oye oyo rbb rbe rbf rbo rbr rbt re- reb ree ref reo rer ret rey rfb rfe rff rfo rfr rft rob roe rof roo ror rot roy rrb rrf rrr rrt rtb rte rtf rto rtr rtt rty ry- rye ryf ryo ryr ryy tbb tbe tbf tbo tbr tbt te- teb tee tef teo ter tet tey tfb tfe tff tfo tfr tft to- tob toe tof too tor tot toy trb tre trf tro trr trt try ttb tte ttf tto ttr ttt tty tye tyf tyo tyr tyt ybe ybf ybr yby yeb yee yef yeo yer yet yey yfe yff yfr yft yob yoe yof yoo yor yot yoy yre yrf yro yrt yte ytf yto ytr ytt yyb yye yyf yyt yyy

bbbb bbeb bbet bboy bbyo bebb bebe bebo beby beeb beef beer beet beey befe beff befo beft beo- beof beor beot bere bero berr bert bery bete beto bett beye beyt bftt bobb bobe bobo boby boee boef boeo boer boet boey bofe boff boob booe boof boor boot bor- bore borf boro borr bort bory botb bote boto bott boty boye boyf boyo breb bree bref breo brer bret brey brob broe broo bror brot brrr bry- brye bryo btob btor btrt btry bttb byer byob byre byrt byte ebbo ebbr ebby eber eboe eboo ebor eboy ebro eeby eeee eefe eero eery eete efbr efeo efet effy efor eft- eore eoto erbb erbe ereb erer eret erft erob eroe eroo erre erro erye etbr etee eter etfb etfe etoe etoy etre etro ette etto etty eyeb eyer eyet eyey eyot eyre eyry eyte eyyr febo feeb feer feet fefe feff fefo feof ferb fere fero ferr fert fery fete fetr fett feyr feyt ffee ffff ffrr fftf fobt foer fofo foof foot for- forb fore foro forr fort fote foto fott foty foyt free freo fret frey frob froe frot frye fter ftfy fyeo fyfe fyre fyry o-eo obbo obby ober obet obey oboe obor obot oboy obre obro oere oeye oeyo ofer off- offe offo offr offy ofor ofre oobe ooby ooer ooff oofy oooo oore oort oory ootb ooty orbb orbe orbo orby ore- oreb oreo orer orey orfe orff oro- oroe orof oror orot oroy orro orry orte orto otee oter oto- otoe otof otoo otor otoy otre otro otry otte otto otyr oyee oyer oyre rbbb rbbr rebb rebe rebo reeb reef reet refe reff refr reft reof reot rere rero rert rery rete reto retr rett rety reye rfef rob- robb robe robo robt roby roer roet roey rofe roff rofo roob roof roor root rore roro rort rory rote roto rotr rott roty roye royt rrrr rtbf rtee rtfb rybe ryeb ryet ryfe ryff ryft ryob ryot rytt ryyf ryyt tbrb tbyf tebo teef teer teet teff teft teor ter- tere terf tero terr tery tete teto tetr tett teye teyr tfeb tfot to-y tobe tobo tobt toby toee toer toet toey toff tofo toft toof toor toot tore torf toro torr tort tory tote toto totr tott toty toyb toyo toyt tre- tree tref treo tret trey trfr troe troo trot troy trte trtr try- tryb trye tryo ttbb tteo tter ttff ttoe ttoy tttt tybo tyee tyer tyet tyfe tyff tyft tyr- tyre tyrf tyro tyrr tyte tyto tytt tyty yber ybet ybor ybry yeer yeet yefe yeff yeft yeof yeot yerb yere yero yerr yert yery yete yeto yett yeye yeyo yeyr yfet yfte yobo yoff yoof yoot yore yoro yort yory yote yott yoye yoyo yrof ytre yyfe yyff yyyy

-tree b-boy bbbee be-er be-ro beber bebot beebe beeby beeft beefy beery beete beety beffe befoe befor beofe beoff beory beote berbe beret berey berob beroe beror berre berry berte berto berty betee beter betoo betor betre bett- bette betto betty betyb beyer beyre beyte bo-bo bobby bobet bobr bobre bobry boero bofet boffo booby booer boofy boore boort booty booyo borbo boree borer boret borey boro- boroo borot borre borro botet botro botte botty botye boyer boyet boyey boyte breef breer breet breo- brere brery breto brett breyr brobo broby broer broft broto broye brrrr bryo- bryt- btr-t by-by bybee byffe byrre byrte bytr- e-boy ebber ebbet ebert eeeee efere efetf effer effet effry efore efter eofor eorre erbbe erber ereby erere eroor erore eroto errey error erte erter etete etoro etree etter eyeof eyere eyeto eyrer febre feeor feere fefor feoey feoff feret ferr- ferre ferro ferry ferte feter feto- fetor fette feyer feyre fobby fooey foofy foore foote footy forby fore- foreo foret forro forte forto forty fotte foyer foyte freer freet frere frett freyr frobe froot frore frory frote froyo fryer ftrtt fyffe fytte o-fer o-r-b obbet obert obete oboro obory obote obreb obrey obyte oeyer oeyre offby offer offof offoy offre offto ofoto ofrye ofter oo-er ooooo orbey orbot