-er -ol -th bbb bbe bbh bbl bbo bbr bbt be- beb bee beh bel beo ber bet bhb bhe bhh bhl bho bhr bht blb ble blh bll blo blr blt bob boe boh bol boo bor bot brb bre brh brl bro brr brt btb bte bth btl bto btr btt ebb ebe ebh ebl ebo ebr ebt eeb eee eel eeo eer eet ehb ehe ehh ehl eho ehr eht elb ele elh ell elo elr elt eo- eob eoe eoh eol eoo eor eot erb ere erh erl ero err ert etb ete eth etl eto etr ett hbb hbe hbh hbl hbo hbr hbt he- heb hee heh hel heo her het hhb hhe hhh hhl hho hhr hht hlb hle hlh hll hlo hlr hlt hob hoe hoh hol hoo hor hot hr- hrb hre hrh hrl hro hrr hrt htb hte hth htl hto htr htt lbb lbe lbh lbl lbo lbr lbt leb lee leh lel leo ler let lhb lhh lho lhr lht llb lle lll llo llr llt lob loe loh lol loo lor lot lrb lrh lro lrr lrt ltb lte lth ltl lto ltr ltt ob- obb obe obh obl obo obr obt oeb oee oeh oel oeo oer oet ohe ohh ohl oho ohr oht olb ole oll olo olt oo- oob ooh ool ooo oor oot or- orb ore orh orl oro orr ort ot- otb ote oth otl oto otr ott rbb rbe rbh rbl rbo rbr rbt re- reb ree reh rel reo rer ret rh- rhb rhe rhh rhl rho rhr rht rle rlh rll rlo rlr rlt rob roe roh rol roo ror rot rrb rrh rrl rrr rrt rtb rte rtl rto rtr rtt tbb tbe tbh tbl tbo tbr tbt te- teb tee teh tel teo ter tet th- thb the thh thl tho thr tht tle tlh tll tlo tlr tlt to- tob toe toh tol too tor tot trb tre trh trl tro trr trt ttb tte tth ttl tto ttr ttt

bbbb bbeb bbet bblb bebb bebe bebo beeb beel beer beet behr bele bell belo belt beo- beor beot bere bero berr bert bete beth beto bett bhel bher bhet bhor bhot bhrt blbt bleb blee bleh bleo blet blob bloo blot bobb bobe bobo boee boel boeo boer boet bohl boho bohr boht bole boll bolo bolt boob booe booh bool boor boot bor- bore borh boro borr bort botb bote both boto bott breb bree brel breo brer bret brob broe broh brol broo bror brot brrr btob btor btrt bttb ebbo ebbr ebel eber eboe ebol eboo ebor ebro eeee eele eero eete eeth eheh ehel eher ehle ehlo ehre ehte el-b elbe elbo elee eleh eleo eler elet elle ello elro elte elto eole eolo eore eorl eoto erbb erbe ereb erel erer eret erle erll erob eroe erol eroo erre erro erth ertl etbr etee etel eter eth- ethe etho etoe etoh etre etro ette etto hbtl hebb hebe hebo hebr heeb heel heer heet hehe heho hele hell helo helt heor herb here herl hero herr hert hete heth heto hett hhhh hler hobe hobo hoel hoer hohe hohl hoho hol- holb hole holh holl holo holt hooe hool hoor hoot hore horl horo horr hort hotb hote hoth hotl hoto hotr hott hrbl hree hrob hrtb hrte htet htoh htol httr lblr lbrt lebo leel leer leet lehe lehr lele lell lelo leor lere lero lert lete leth leto lett lhee lhhh lhor llet llll lloo lob- lobb lobe lobh lobo loeb lohe loho lohr lole loll lolo loob looe lool loor loot lore loro lote loth lotl loto lotr lott lrrr ltbl ltee lthr lttr o-eo obbo obel ober obet oble oboe obol obor obot obre obrh obro oele oere ohbe ohee ohel oher ohho ohob ohoh ohre ohte ohto olbo ole- oleh oleo oler olet olle ollo olor olot oobe ooer ooho oolo oooh oooo oore oort ootb orbb orbe orbo ore- oreb oreh orel oreo orer orhe orle orlo oro- oroe oror orot orro orte orth orto otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto rbbb rbbr rble rboh rebb rebe rebo reeb reel reet rehb rehe reht relb rele rell relo relt reol reot rere rero rert rete reth reto retr rett rheb rhee rheo rhet rhob rhoh rlee rob- robb robe robo robt roel roer roet rohe rohl rohr role roll rolo rolt roob rool roor root rore roro rort rote roth rotl roto rotr rott rrle rrrr rtee rtle rtlt tbrb tebo teel teer teet teho tehr tel- tele tell telo telt teoh teor ter- tere tero terr tete teth teto tetr tett the- theb thee thel theo ther thet thoe thoo thor thot thre thro thtb thtr tobe tobo tobt toee toeh toer toet toho tol- tole toll tolo tolt tooh tool toor toot tore toro torr tort tote toth toto totr tott tre- tree treo tret troe troo trot trte trtr ttbb tteo tter ttoe tttt

-tree bbbee be-er be-ro bebel beber beblo bebot beebe beele beete beeth beher behet behle behot belbo belee belet bellb belle bello belot beote beoth berbe bereh berel beret berhe berle berlo berob beroe berol beror berre berte berth berto betee betel beter bethe betle betoo betor betre bett- bette betto bheel bheer bhele bhole bhool bhoot bhore bleer bleet blehr blere blete bloor blorb blore blort blote bloto blott bo-bo bo-ho bobet boble bobr bobre boeol boero bohle bohol bohor bohot bohte bolbe bolel boleo boler bolet bolho boll- bolle bollo bolte bolto booer boole boore boort booth borbo boree borel borer boret borle boro- boroo borot borre borro borth botel botet bothe botro botte breel breer breet brell brelo breo- brere breth breto brett brloh brobo broer brohl brole broll brolo brool broth broto brrrr btr-t ebber ebbet ebble ebell ebelo eberl ebert eeeee eeler eholt ehret