-er bbb bbe bbn bbo bbr bbt bbx be- beb bee ben beo ber bet bex bnb bne bnn bno bnr bnt bnx bob boe bon boo bor bot box brb bre brn bro brr brt brx btb bte btn bto btr btt btx bxb bxn bxo bxx ebb ebe ebn ebo ebr ebt ebx eeb eee een eeo eer eet eex en- enb ene enn eno enr ent eo- eob eoe eon eoo eor eot erb ere ern ero err ert etb ete etn eto etr ett etx ex- exe exo exr ext exx nbb nbe nbn nbo nbr nbt nbx ne- neb nee nen neo ner net nex nnb nne nnn nno nnt no- nob noe non noo nor not nox nrb nre nrn nro nrr nrt nrx ntb nte ntn nto ntr ntt ntx nxt ob- obb obe obn obo obr obt obx oeb oee oen oeo oer oet oex on- onb one onn ono onr ont onx oo- oob oon ooo oor oot oox or- orb ore orn oro orr ort orx ot- otb ote otn oto otr ott ox- oxb oxn oxo oxt oxx rbb rbe rbn rbo rbr rbt rbx re- reb ree ren reo rer ret rex rnb rnn rno rnr rnt rob roe ron roo ror rot rox rrb rrn rrr rrt rtb rte rtn rto rtr rtt rtx rxr t-x tbb tbe tbn tbo tbr tbt te- teb tee ten teo ter tet tex tnb tne tnn tno tnr tnt tnx to- tob toe ton too tor tot tox trb tre trn tro trr trt trx ttb tte ttn tto ttr ttt ttx txe txn txt xbe xbr xbx xee xen xer xet xex xno xon xoo xor xot xox xrt xrx xtr xtx xxo xxx

-ene -one bbbb bbeb bbet bbox bebb bebe bebo beeb been beer beet bene benn beno bent beo- beon beor beot bere bern bero berr bert bete beto bett bner bnet bnor bnrr bobb bobe bobo boee boen boeo boer boet bone bonn bono bont boob booe boon boor boot boox bor- bore born boro borr bort botb bote botn boto bott breb bree bren breo brer bret brex brno brob broe bron broo bror brot brox brrr bten btex btob btor btrt bttb ebbo ebbr eben eber ebno eboe ebon eboo ebor ebox ebro eeee eent eero eete eext enb- enbn enbr enee eneo ener enne eno- enoe enon ent- ente ento entr eone eont eore eoto er-x erbb erbe ereb eren erer eret erne erno erob eroe eron eroo erre erro etbr etee eten eter etne etnr etoe eton etox etre etro ette ettn etto exen exer exo- exon exor exrx exte extr nbbo nber nebb nebe nebn nebo nebr neeb neen neer neet nene neno nent neo- neon neoo neot neox nere nero nerr nert net- netb nete neto nett nexe nexo next nexx nnnn nnot nntn nobo noer non- none nonn nono nont nonx noo- noob noon nooo noor noot nor- norb nore norn noro norr nort not- note noto nott nren nron nter ntto nttr o-eo obbo oben ober obet obex oboe obon obor obot obox obre obro oen- oeno oere one- oneb onee oneo oner onex onne onno onon onor ont- onto oobe ooer oone oont oooo oore oort ootb orbb orbe orbo ore- oreb oren oreo orer orex orne orno oro- oroe oron oror orot orro orte orto otee oten oter oto- otoe oton otoo otor otre otro otte otto oxen oxer oxo- oxon oxox oxxo rbbb rbbr rebb rebe rebo reeb reen reet rene renn reno rent reot rere rero rert rete reto retr rett rexx rnbr rnnt rnot rob- robb robe robo robt roen roer roet rone rono ront roob roon roor root roox rore roro rort rote rotn roto rotr rott roxo rrrr rtee rtex tbox tbrb tebo teen teer teet tenb tene tenn teno tent teon teor ter- tere tern tero terr tete teto tetr tett tetx text tneb tobe tobo tobt toee toen toer toet tonb tone tonn tono toon toor toot tore torn toro torr tort torx tote toto totr tott tox- toxo toxt tre- tree tren treo tret trex trno troe tron troo trot trox trte trtr ttbb tten tteo tter ttoe tton tttt txen txtr xbee xbox xeer xen- xene xenn xeno xeon xer- xero xert xexe xnee xnet xorn xoro xote xoxo xtro xxxo xxxx

-tree bbbee be-er be-ro beber bebot bebox beebe beene beete bene- benet benne benno benon benot bento beone beorn beote berbe beren beret berne berno bernt berob beroe beror berre berte berto betee beten beter betne beton betoo betor betre bett- bette betto bexon bo-bo bobet bobr bobre boero boner bonet bonne bonon bonox bonte booer boone boont boore boorn boort bootx borbo boree boren borer boret borex born- borne borno bornt boro- boron boroo borot borox borre borro boten botet botne boton botox botro botte boxbe boxee boxen boxer bre-x breen breer breet brene brenn breno brent breo- brere breto brett bretx brobo broer bronn bront bronx broon broto brrrr btr-t btron e-box e-one e-ten ebber ebbet ebene ebern ebert ebner ebone eboon ebron eeeee eener eenet eeten enent enero enete ennet ennor enone enore enorn enote enron enten enter entex ento- entre entro eorne eorre eoten erbbe erben erber ereen erere ernen ernet erone eroor erore eroto erron error erte erter etern etete etext etnon etnre etoon etoro etree etten etter etton exene exert exner exorb exore exorn exort exter exton extre extro exxon neber nebet nebro neere nenno nente neore nerbo neree nereo neret neron nerre nerte neten netex netne netno neton nette netto nexen nexoe nexon nexor nextt nnebe nnooo no-no nobbe nobet nobob noboe nobox nobre noerr nonet nonne nonno nonot noone noort noote noren norex norne noron norro norte nortt notbe noter notno noto- noton notre notte notto noxon ntete ntone ntoro o-bon o-r-b obbet obert obete oboro obote obreb obren obrne oeno- oenoe onbet one-t one-x onebe