-er b-p bbb bbe bbk bbn bbo bbp bbr be- beb bee bek ben beo bep ber bkb bke bkk bkn bko bkp bkr bnb bne bnk bnn bno bnp bnr bob boe bok bon boo bop bor bpb bpe bpn bpo bpp bpr brb bre brk brn bro brp brr ebb ebe ebk ebn ebo ebp ebr eeb eee eek een eeo eep eer ekb eke eko ekp ekr en- enb ene enk enn eno enp enr eo- eob eoe eok eon eoo eop eor ep- epb epe epn epo epp epr erb ere erk ern ero erp err kbb kbe kbk kbn kbo kbp kbr ke- keb kee kek ken keo kep ker kkb kke kkk kkn kkp kkr kn- kne knk knn kno knp knr kob koe kok kon koo kop kor kpe kpk kpn kpo kpp kpr krk krn kro krp krr nbb nbe nbk nbn nbo nbp nbr ne- neb nee nek nen neo nep ner nke nkk nkn nko nkp nkr nnb nne nnk nnn nno nnp no- nob noe nok non noo nop nor npb npe npn npo npp npr nrb nre nrk nrn nro nrp nrr ob- obb obe obk obn obo obp obr oeb oee oen oeo oep oer okb oke okk oko okp okr on- onb one onk onn ono onp onr oo- oob ook oon ooo oop oor op- opb ope opk opn opo opp opr or- orb ore ork orn oro orp orr p-p pbb pbe pbk pbn pbo pbp pbr peb pee pek pen peo pep per pkb pke pkn pko pkp pkr pn- pnb pne pnk pnn pno pnp pnr pob poe pok pon poo pop por ppb ppe ppk ppn ppo ppp ppr prb pre prk prn pro prp prr rbb rbe rbk rbn rbo rbp rbr re- reb ree rek ren reo rep rer rkb rke rkk rko rkp rnb rnn rno rnp rnr rob roe rok ron roo rop ror rpb rpe rpk rpn rpo rpp rpr rrb rrk rrn rrp rrr

-ene -one bbbb bbeb bbpr bebb bebe bebo beeb beek been beep beer beke beko bene benk benn beno beo- beok beon beor bepo bere berk bern bero berr bkpr bner bnor bnpp bnrr bobb bobe bobo boee boen boeo boep boer boke bokn boko bone bonk bonn bono boob booe book boon boop boor bope bopp bor- bore bork born boro borr bpoe breb bree brek bren breo brep brer brkb brno brob broe brok bron broo bror brrr ebbo ebbr eben eber ebno eboe ebon eboo ebor ebpo ebro eeee eeke eero ekeb ekek eken eker ekne ekpe ekpo enb- enbn enbr enee eneo ener enke enkr enne eno- enoe enon enp- eone eore epee epen eper epon epor eppo eppp eprb epro eprp erbb erbe ereb eren erer erke erne erno erob eroe eron eroo erpe erre erro kbbb kbbe kbbk kbbo kbbr kbeb kbee kbek kben kbeo kber kbkb kbkk kbko kbkr kbnn kbno kbnp kbnr kbob kboe kbok kbon kboo kbpe kbpk kbpn kbpo kbpr kbrb kbre kbrk kbrn kbro kebb kebe kebn kebr keek keen keep keer kekb keke keko ken- kene kenk kenn keno kenr keok keon kep- kepe kepn ker- kerb kere kerk kern kero kerp kerr kkbb kkbe kkbn kkbo kkbr kken kkkk kknb kkne kknn kkno kkob kkon kkoo kkor kkpk kkpn kkrb kkre kkrk kkrn kkro kkrr knbb knbe knbn knbr kneb knee knek knen kneo knep knkk knnb knnk knnr knob knoe knok knon knop knor knpb knpr knrb knrk knro kobb kobe kobk kobn kobo kobr koen kokb koke kokk kokn koko kokp kokr kone konk kono konp koob kook koon kooo koop koor kopb kope kopn kopp kopr korb kore kork korn koro korr kpbb kpbe kpbr kpek kper kpke kpkk kpkr kpne kpno kpnp kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprk kprn kpro kprp kprr krbb krbe krbk krbr kreb kree krek kren kreo krke krkk krkn krko krkr krnb krne krnk krnn krno krnp krob kroe krok kroo krop kror krpr krrb krre krrk krrn krro krrr nbbo nber nbpp nebb nebe nebn nebo nebr neeb neen neep neer neke neko nene neno neo- neon neoo nepe nepr nere nerk nero nerr nkok nkor nnnn nnpr nobo noer noke noko non- none nonn nono noo- noob nook noon nooo noop noor nope nor- norb nore nork norn noro norr nren nron nrpn o-eo obbo oben ober obkb oboe obok obon obor obre obro oen- oeno oere oken oker okko okno okok okon okor okpe okpo okre okro one- oneb onee onek oneo onep oner onkp onne onno onon onor oobe ooer oone oooo oore open opep oper opo- opon opor oppo orbb orbe orbo ore- oreb orek oren oreo orer orke orko orne orno oro- oroe orok oron oror orpe orro pbpk peek peen peep peer peke pekk peko pen- pene penk penn peno peon peor pepe pepo per- pere perk pern pero perp perr pnkp pnon pnpo pnpp pnro pobo poer poke poko pone ponk pono ponp pook poon poop poor pop- pope popo popp porb pore pork porn poro porr ppen pper pppn pppo pppp pre- preb pree prek pren prep prnp pro- prob proe pron proo prop rbbb rbbr rebb rebe rebk rebo reeb reek reen reep reke reko rene renk renn reno reop repe repo repp repr rere rero rnbr rob- robb robe robo roen roer roke rokk roko rokr rone ronk rono roob rook roon roop roor rope ropo rore rork roro rpob rpoe rpon rppn rrrr

b-r-k bbbee bbook be-er be-ro bebek beber bebop beebe beeke beene beken beker bekke bekko bekok bene- benke benko benne benno benon beone beorn bepen bepop beppe beppo berbe berek beren berk- berke berko berne berno berob beroe berok beror berre bkorn bo-bo bobek bobko bobok bobr bobre boeke boero boken bokeo boker bokko bokok bokor boner bonke bonne bonon booer booke booko boone boonk boore boorn borbo