-er b-u bbb bbe bbn bbo bbr bbt bbu bbx be- beb bee ben beo ber bet beu bex bnb bne bnn bno bnr bnt bnu bnx bob boe bon boo bor bot bou box brb bre brn bro brr brt bru brx btb bte btn bto btr btt btu btx bub bue bun buo bur but buu bux bxb bxn bxo bxx ebb ebe ebn ebo ebr ebt ebu ebx eeb eee een eeo eer eet eex en- enb ene enn eno enr ent enu eo- eob eoe eon eoo eor eot eou erb ere ern ero err ert eru etb ete etn eto etr ett etu etx eu- eub eue eun eur eut eux ex- exe exo exr ext exu exx nbb nbe nbn nbo nbr nbt nbu nbx ne- neb nee nen neo ner net neu nex nnb nne nnn nno nnt nnu no- nob noe non noo nor not nou nox nrb nre nrn nro nrr nrt nru nrx ntb nte ntn nto ntr ntt ntu ntx nub nue nun nuo nur nut nuu nux nxt ob- obb obe obn obo obr obt obu obx oeb oee oen oeo oer oet oex on- onb one onn ono onr ont onu onx oo- oob oon ooo oor oot oox or- orb ore orn oro orr ort oru orx ot- otb ote otn oto otr ott otu ou- oue oun ouo our out ox- oxb oxn oxo oxt oxx rbb rbe rbn rbo rbr rbt rbu rbx re- reb ree ren reo rer ret reu rex rnb rnn rno rnr rnt rnu rob roe ron roo ror rot rou rox rrb rrn rrr rrt rru rtb rte rtn rto rtr rtt rtu rtx rub rue run ruo rur rut ruu rux rxr t-x tbb tbe tbn tbo tbr tbt tbu te- teb tee ten teo ter tet teu tex tnb tne tnn tno tnr tnt tnx to- tob toe ton too tor tot tou tox trb tre trn tro trr trt tru trx ttb tte ttn tto ttr ttt ttu ttx tub tue tun tuo tur tut tuu tux txe txn txt txu ubb ube ubn ubo ubr ubt ubu ubx ueb uee uen uer uet un- unb une unn uno unr unt unu unx uob uoe uon uoo uor uot uox ur- urb ure urn uro urr urt uru urx utb ute utn uto utr utt utu utx uue uun uur uut uuu uxb uxo uxr uxt uxu xbe xbr xbx xee xen xer xet xeu xex xno xnu xon xoo xor xot xox xrt xrx xtr xtx xue xun xxo xxx

-ene -one bbbb bbeb bbet bbox bebb bebe bebo beeb been beer beet bene benn beno bent benu beo- beon beor beot bere bern bero berr bert beru bete beto bett betu beur beux bner bnet bnor bnrr bobb bobe bobo bobu boee boen boeo boer boet bone bonn bono bont bonu boob booe boon boor boot boox bor- bore born boro borr bort boru botb bote botn boto bott boue boun bour bout breb bree bren breo brer bret brex brno brob broe bron broo bror brot brou brox brrr brue brun brut brux bten btex btob btor btrt bttb bubb bube bubo bubu buen buer bueu bunb bune bunn buno bunt bunu buon bur- burb bure burn buro burr burt buru but- bute buto butt ebbo ebbr eben eber ebno eboe ebon eboo ebor ebox ebro ebru ebur eeee eent eero eete eetu eext enb- enbn enbr enee eneo ener enne ennu eno- enoe enon ent- ente ento entr enue enur enut eone eont eore eoto eoux er-x erbb erbe ereb eren erer eret erne erno erob eroe eron eroo erre erro ertu erub erur etbr etee eten eter etne etnr etoe eton etox etre etro ette ettn etto ettu etun etux euer eur- eure euro eurt exen exer exo- exon exor exrx exte extr nbbo nber nebb nebe nebn nebo nebr nebu neeb neen neer neet nene neno nent nenu neo- neon neoo neot neox nere nero nerr nert neru net- netb nete neto nett neue neun neuo neur neut neuu nexe nexo next nexx nnnn nnot nntn nobo nobu noer non- none nonn nono nont nonu nonx noo- noob noon nooo noor noot nor- norb nore norn noro norr nort not- note noto nott noun nour nout nren nron nter nteu ntnu ntru ntto nttr nube nuee nuer nune nunn nuno nunt nuon nure nurn nurr nurt nuru nute nutt nutu 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 onue onur onut oobe ooer oone oont oooo oore oort ootb orbb orbe orbo orbu ore- oreb oren oreo orer orex orne orno oro- oroe oron oror orot orro orte orto orub otee oten oter oto- otoe oton otoo otor otre otro otte otto ottu otur ouen ouer oun- oune our- oure ourn ouro ourt out- outb oute outo ouu- oxen oxer oxo- oxon oxox oxxo rbbb rbbr rebb rebe rebo rebu reeb reen reet rene renn reno rent renu reot reou rere rero rert reru rete reto retr rett reue reut reuu reux rexx rnbr rnnt rnot rnut rob- robb robe robo robt robu roen roer roet rone rono ront roob roon roor root roox rore roro rort roru rote rotn roto rotr rott roub roue roun rout roux roxo rrrr rrun rtee rtex rubb rube rubu ruen ruer ruet rune runn runo runt rure ruro ruru rute ruto rutt rutu ruun tbox tbrb tebo tebu teen teer teet tenb tene tenn teno tent tenu teon teor ter- tere tern tero terr teru tete teto tetr tett tetu tetx teut text tneb tnut tobe tobo tobt tobu toee toen toer toet tonb tone tonn tono tonu toon toor toot tore torn toro torr tort toru torx tote toto totr tott toun tour tout tox- toxo toxt tre- tree tren treo tret