-ene -one bbbb bbeb bblb bbpr bebb bebe bebo beeb beel been beep beer bele bell belo belp bene benn beno beo- beon beor bepo bere bern bero berr bleb blee bleo blno blob blon bloo blop bner bnor bnpp bnrr bobb bobe bobo boee boel boen boeo boep boer bole boll boln bolo bone bonn bono boob booe bool boon boop boor bope bopp bor- bore born boro borr bpel bpoe breb bree brel bren breo brep brer brlp brno brob broe brol bron broo bror brrr ebbo ebbr ebel eben eber ebno eboe ebol ebon eboo ebor ebpo ebro eeee eele eero el-b el-p elbe elbo elee elen eleo eler elle ello elne elon elpe elro enb- enbn enbr enee enel eneo ener enne eno- enoe enol enon enp- eole eolo eone eore eorl epee epen eper eple epll epln epol epon epor eppo eppp eprb epro eprp erbb erbe ereb erel eren erer erle erll erne erno erob eroe erol eron eroo erpe erre erro lblr lebo leel leen leep leer lele lell lelo lene lenn leno leon leor lepe lepo lepp lere lern lero lerp llll lloo lnbp lner lob- lobb lobe lobo loeb loen lole loll lolo lone lono lonr loob looe lool loon loop loor lope lopp lore lorn loro lppl lprp lrne lron lrrr nbbo nber nbpp nebb nebe nebn nebo nebr neeb neel neen neep neer nele nell nelo nene neno neo- neol neon neoo nepe nepr nere nerl nero nerr nler nlrb nlrp nnnn nnpr nobo noel noer nole noll nolo nolp non- none nonn nono noo- noob nool noon nooo noop noor nope nor- norb nore norn noro norr npbl nppl nren nrlb nron nrpn nrrl o-eo obbo obel oben ober oble oboe obol obon obor obre obro oele oen- oeno oere olbo ole- olen oleo oler olle ollo olne olon olor olpe one- oneb onee onel oneo onep oner onne onno onon onor oobe ooer oolo oone oooo oore opel open opep oper ople opo- opon opor oppo orbb orbe orbo ore- oreb orel oren oreo orer orle orlo orne orno oro- oroe oron oror orpe orro pebl peel peen peep peer pel- pelb pele pell pelo pen- pene penn peno peon peor pepe pepo per- pere perl pern pero perp perr plbr ple- pleb plee plen pleo plob plon ploo plop plpp pnln pnnl pnon pnpo pnpp pnro pobo poel poer pole poll polo pone pono ponp pool poon poop poor pop- pope popo popp porb pore porn poro porr ppen pper pple pplo pppn pppo pppp pre- preb pree prel pren prep prle prlr prnp pro- prob proe prol pron proo prop rbbb rbbr rble rebb rebe rebo reeb reel reen reep relb rele rell relo relp rene renn reno reol reop repe repl repo repp repr rere rero rlee rnbr rob- robb robe robo roel roen roer role roll rolo rolp rone rono roob rool roon roop roor rope ropo rore roro rpob rpoe rpon rppn rrle rrrr