-er -ey -th bbb bbe bbf bbh bbr bbt bby be- beb bee bef beh ber bet bey bfb bfe bff bfh bfr bft bfy bhb bhe bhf bhh bhr bht brb bre brf brh brr brt bry btb bte btf bth btr btt bty by- bye byf byh byr byt ebb ebe ebf ebh ebr ebt eby eeb eee eef eer eet eey ef- efb efe eff efh efr eft ehb ehe ehf ehh ehr eht erb ere erf erh err ert ery etb ete etf eth etr ett ety eye eyr eyt fbb fbe fbf fbh fbr fbt feb fee fef feh fer fet fey ffe fff ffh ffr fft ffy fhb fhe fhf fhh fhr frb fre frf frh frr frt fry ftb fte ftf fth ftr ftt fty fy- fyb fye hbb hbe hbf hbh hbr hbt hby he- heb hee hef heh her het hey hfb hfe hff hfh hfr hft hfy hhb hhe hhf hhh hhr hht hhy hr- hrb hre hrf hrh hrr hrt htb hte htf hth htr htt hty hy- hyb hye hyh hyr hyt hyy rbb rbe rbf rbh rbr rbt re- reb ree ref reh rer ret rey rfb rfe rff rfh rfr rft rh- rhb rhe rhf rhh rhr rht rrb rrf rrh rrr rrt rtb rte rtf rtr rtt rty ry- rye ryf ryr ryy tbb tbe tbf tbh tbr tbt te- teb tee tef teh ter tet tey tfb tfe tff tfh tfr tft th- thb the thf thh thr tht thy trb tre trf trh trr trt try ttb tte ttf tth ttr ttt tty tye tyf tyr tyt ybe ybf ybr yby yeb yee yef yeh yer yet yey yfe yff yfr yft yhe yht yre yrf yrt yte ytf yth ytr ytt yyb yye yyf yyt yyy

bbbb bbeb bbet bebb bebe beby beeb beef beer beet beey befe beff beft behr bere berr bert bery bete beth bett beye beyt bftt bher bhet bhff bhrt breb bree bref brer bret brey brrr bry- brye btrt btry bttb byer byre byrt byte byth ebbr ebby eber eeby eeee eefe eery eete eeth efbr efet effy eft- eheh eher ehre ehte ehyt erbb erbe ereb erer eret erft erre erth erye etbr etee eter etfb etfe eth- ethe etre ette etty eyeb eyer eyet eyey eyre eyry eyte eyth eyyr feeb feer feet fefe feff fehr ferb fere ferr fert fery fete feth fetr fett feyr feyt ffee ffff ffrr fftf free fret frey frye fter ftfy fyfe fyre fyry hebb hebe hebr heby heeb heef heer heet hefe heft hehe herb here herr hert hery hete heth hett heye heyf heyh heyr heyt hhhh hree hrtb hrte hryb htet httr hybe hyer hyet hyfr hyhe hyre hyrt hyte rbbb rbbr rebb rebe reeb reef reet refe reff refr reft rehb rehe reht rere rert rery rete reth retr rett rety reye rfef rheb rhee rhet rhye rrrr rtbf rtee rtfb rybe ryeb ryeh ryet ryfe ryff ryft ryhb ryth rytt ryyf ryyt tbrb tbyf teef teer teet teff teft tehr ter- tere terf terr tery tete teth tetr tett teye teyr tfeb the- theb thee thef ther thet they thre thtb thtr thye thyf thyh tre- tree tref tret trey trfr trte trtr try- tryb trye ttbb tter ttff tttt tyee tyer tyet tyfe tyff tyft tyht tyr- tyre tyrf tyrr tyte tytt tyty yber ybet ybry yeer yeet yefe yeff yeft yehe yehr yerb yere yerr yert yery yete yett yeye yeyr yfet yfte yher yhet yhte ythe ytht ytre yyfe yyff yyyy

-tree bbbee be-er beber beebe beeby beeft beefy beery beete beeth beety beffe beher behet berbe bereh beret berey berhe berre berry berte berth berty betee beter bethe betre bett- bette betty betyb beyer beyre beyte bheer breef breer breet brere brery breth brett breyr brrrr bryt- bryth btr-t by-by bybee byeth byffe byrre byrrh byrte byrth bythe bytr- ebber ebbet ebert eeeee efere efetf effer effet effry efter ehret erbbe erber ereby erere errey erte erter erthe etete ether ethyr etree etter eyere eyrer eythe febre feere feher feret ferr- ferre ferry ferte ferth feteh feter fette feyer feyre freeh freer freet frere frett freyr fryer ftrtt fyffe fytte h-e-b he-he hebbe hebe- heber heeby heeey heere heery heete hefer heffe hefte hefty hehte herby herfy herre herry herte herth herye heter hethe hette hetty heyer heyre heyte heyth hheth hhhhh hrere hthrt htree hyere hyet- hyett hyher hythe rebbe reber rebet reefe reeft reefy reere reerh reeth refer refet reffe refry reher rehet rere- reree reret retee reter rethe retry rette reyff reyhe reyte rhett rybee ryffe ryfte rythe rytte ryyty tbtbt tbyte teber tebet tebey teeth teety tefe tehee terby teret terre terry tert- teter tethe tethy tetr- tette tetty teyre thebe theby theeb theef theer theft ther- there therf thete theth theyf theyr thre- three thref thret threy thrye thyef thyfe thyft thyhe thyr- treer treet treey trefe treff trere trete trett trety treye treyf trybe tryer tryte ttttt tybee tyere tyffe tyhee tyree tyrer tyret tythe tytte ybete ye-ye yeere yeffe yefft yefte yerby yerth yeter yette yeyre yfere yfree yfret yhere yhert yheyt ytter yyete

b-tree bbbbbb bberry beebee beefer beeter befree befret behefe beheft behete behter berbee berber bereet bereft berere berhet berrer berret berthe bertre bertry betere betete bettee better beyete breefe breere breeth brehy bretby brethe brette breyer breyfe breyff bryher brytte bthree by-bet bybbey byebye byrthe eb-eye ebbert ebbeth eebree effere effete efreet efter- efther erbree erfeth erreth errett ethere ethete eyerer eyther feerth ferber ferbey ferfer ferrer ferret fertee ferter ferthe fether fethre fetter feyffe freeby freeth freety frefre frerry frette fretty fterer fterre hebete heebee heehee heeter heffer hefter hehehe hehheh herber herbet herbry hereby hereft herher herter herthe heter- hether hetter heyeth heyhte hyethe hyheyr hyther r-tree re-try reefer reeffe reetry refeet refeff refert refete refret refter rehber rehete rerefy reteer reteet retere rether retree retret