-ene -one bbbb bbdd bbdo bbeb bbpr bd-r bebb bebe bebo bede bedo beeb beed been beep beer bend bene benn beno beo- beod beon beor bepo berd bere bern bero berr bner bnor bnpp bnrr bobb bobe bobo bodb bode bodo boee boen boeo boep boer bond bone bonn bono boob bood booe boon boop boor bope bopp bor- bord bore born boro borr bpoe bprd brdo breb bred bree bren breo brep brer brno brob brod broe bron broo bror brrr d-bo dbpd dbrn dddd ddpo ddre debe dedd dede dedo deeb deed deen deep deer dene denn deno deon deop deor depe depo depp depr der- derb dere dern dero derp derr dner dnpo dobb dobe dod- dodd dode dodo doen doer dond done donn dono donp donr doob dood doon doop door dope dopo dopp dopr dord dore dorn doro dorp dorr dper dred dree dren drno drob drod dron drop ebbo ebbr ebed eben eber ebno eboe ebon eboo ebor ebpo ebro edde eddo eddp ede- eden eder edno edod edon edrn eede eeee eend eero enb- enbn enbr end- ende endo ened enee eneo ener enne eno- enoe enon enp- eode eone eore epee epen eper epod epon epor eppo eppp eprb epro eprp erbb erbe erde ereb ered eren erer erne erno erob erod eroe eron eroo erpe erre erro nbbo nber nbpp nddb ndde nddo nder ndnp ndop ndor ndpd ndpr ndre nebb nebe nebn nebo nebr nedd nede nedo neeb need neen neep neer nend nene neno neo- neod neon neoo nepe nepr nerd nere nero nerr nndb nnnn nnpr nobo node nodo noed noer non- none nonn nono noo- noob noon nooo noop noor nope nor- norb nord nore norn noro norr nppd nren nron nrpn nrrd o-eo obbo obed oben ober oboe obon obor obre obro odbo oddd oded oden odeo oder odnb odon odoo odop odor odrp oedn oedo oen- oeno oere onde ondo one- oneb oned onee oneo onep oner onne onno onod onon onor oobe ooer oone oooo oord oore oped open opep oper opo- opon opor oppo orbb orbe orbo orde ordn ordo ore- oreb ored oren oreo orer orne orno oro- oroe oron oror orpe orro pbed pdpn pdpr ped- pede pedo peed peen peep peer pen- pend pene penn peno peon peor pepd pepe pepo per- perd pere pern pero perp perr pnon pnpo pnpp pnro pobo pod- podd pode podo poed poer pond pone pono ponp pood poon poop poor pop- pope popo popp porb pore porn poro porr ppen pper ppod pppd pppn pppo pppp pre- preb pred pree pren prep prnd prnp pro- prob prod proe pron proo prop prpd prrd rbbb rbbr rdbp rder rebb rebe rebo redd rede redo redr reeb reed reen reep rend rene renn reno reod reop repe repo repp repr rerd rere rero rnbr rndp rnod rob- robb robe robo rodd rode rodo roed roen roer rond rone rono roob rood roon roop roor rope ropo rore roro rpdp rpob rpoe rpon rppn rred rrrr