-er -th bbb bbe bbh bbr bbt be- beb bee beh ber bet bhb bhe bhh bhr bht brb bre brh brr brt btb bte bth btr btt ebb ebe ebh ebr ebt eeb eee eer eet ehb ehe ehh ehr eht erb ere erh err ert etb ete eth etr ett hbb hbe hbh hbr hbt he- heb hee heh her het hhb hhe hhh hhr hht hr- hrb hre hrh hrr hrt htb hte hth htr htt rbb rbe rbh rbr rbt re- reb ree reh rer ret rh- rhb rhe rhh rhr rht rrb rrh rrr rrt rtb rte rtr rtt tbb tbe tbh tbr tbt te- teb tee teh ter tet th- thb the thh thr tht trb tre trh trr trt ttb tte tth ttr ttt

bbbb bbeb bbet bebb bebe beeb beer beet behr bere berr bert bete beth bett bher bhet bhrt breb bree brer bret brrr btrt bttb ebbr eber eeee eete eeth eheh eher ehre ehte erbb erbe ereb erer eret erre erth etbr etee eter eth- ethe etre ette hebb hebe hebr heeb heer heet hehe herb here herr hert hete heth hett hhhh hree hrtb hrte htet httr rbbb rbbr rebb rebe reeb reet rehb rehe reht rere rert rete reth retr rett rheb rhee rhet rrrr rtee tbrb teer teet tehr ter- tere terr tete teth tetr tett the- theb thee ther thet thre thtb thtr tre- tree tret trte trtr ttbb tter tttt

-tree bbbee be-er beber beebe beete beeth beher behet berbe bereh beret berhe berre berte betee beter bethe betre bett- bette bheer breer breet brere breth brett brrrr btr-t ebber ebbet ebert eeeee ehret erbbe erber erere erte erter erthe etete ether etree etter h-e-b he-he hebbe hebe- heber heere heete hehte herre herte herth heter hethe hette hheth hhhhh hrere hthrt htree rebbe reber rebet reere reerh reeth reher rehet rere- reree reret retee reter rethe rette rhett tbtbt teber tebet teeth tehee teret terre tert- teter tethe tetr- tette thebe theeb theer ther- there thete theth thre- three thret treer treet trere trete trett ttttt

b-tree bbbbbb beebee beeter behete behter berbee berber bereet berere berhet berrer berret berthe bertre betere betete bettee better breere breeth brethe brette bthree ebbert ebbeth eebree erbree erreth errett ethere ethete hebete heebee heehee heeter hehehe hehheh herber herbet herher herter herthe heter- hether hetter r-tree rehber rehete reteer reteet retere rether retree retret retter t-tree te-hee tebeth teebee teehee teerth teetee teeter teethe terete terrer terret terter tertre tetete tethee tether tetteh tetter thetee thethe threet threte thrett treete trehet tretee trette

bbbbbbb beetree beheter berbere berehet berrett berther berthet bertree bethere betterh betteth betther brether erbherr ethbete hebert hee-hee herbere herbert herrere reteere reterre retrete rettert tee-hee teether terere terreer terrere tettete thebeeb thether threete threeth thrette treetee trettre

bbbbbbbb bebetter beheeter berebere betterer etbetter herbetet herehere het-hert treberth

beebeebee bettereth tebe-tebe thetttttt

betterbeer therethere treherbert

thethethethe

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