-er bbb bbe bbk bbn bbo bbr bbt be- beb bee bek ben beo ber bet bkb bke bkk bkn bko bkr bkt bnb bne bnk bnn bno bnr bnt bob boe bok bon boo bor bot brb bre brk brn bro brr brt btb bte btk btn bto btr btt ebb ebe ebk ebn ebo ebr ebt eeb eee eek een eeo eer eet ekb eke eko ekr ekt en- enb ene enk enn eno enr ent eo- eob eoe eok eon eoo eor eot erb ere erk ern ero err ert etb ete etk etn eto etr ett k-t kbb kbe kbk kbn kbo kbr ke- keb kee kek ken keo ker ket kkb kke kkk kkn kkr kkt kn- kne knk knn kno knr knt kob koe kok kon koo kor kot krk krn kro krr krt ktb kte ktk ktn kto ktr ktt nbb nbe nbk nbn nbo nbr nbt ne- neb nee nek nen neo ner net nke nkk nkn nko nkr nkt nnb nne nnk nnn nno nnt no- nob noe nok non noo nor not nrb nre nrk nrn nro nrr nrt ntb nte ntk ntn nto ntr ntt ob- obb obe obk obn obo obr obt oeb oee oen oeo oer oet okb oke okk oko okr on- onb one onk onn ono onr ont oo- oob ook oon ooo oor oot or- orb ore ork orn oro orr ort ot- otb ote otk otn oto otr ott rbb rbe rbk rbn rbo rbr rbt re- reb ree rek ren reo rer ret rkb rke rkk rko rkt rnb rnn rno rnr rnt rob roe rok ron roo ror rot rrb rrk rrn rrr rrt rtb rte rtk rtn rto rtr rtt tbb tbe tbk tbn tbo tbr tbt te- teb tee tek ten teo ter tet tkb tke tkk tko tkr tkt tnb tne tnk tnn tno tnr tnt to- tob toe tok ton too tor tot trb tre trk trn tro trr trt ttb tte ttk ttn tto ttr ttt

-ene -one bbbb bbeb bbet bebb bebe bebo beeb beek been beer beet beke beko bene benk benn beno bent beo- beok beon beor beot bere berk bern bero berr bert bete beto bett bner bnet bnor bnrr bobb bobe bobo boee boen boeo boer boet boke bokn boko bone bonk bonn bono bont boob booe book boon boor boot bor- bore bork born boro borr bort botb bote botn boto bott breb bree brek bren breo brer bret brkb brno brob broe brok bron broo bror brot brrr btek bten btob btor btrt bttb ebbo ebbr eben eber ebno eboe ebon eboo ebor ebro eeee eeke eent eero eete ekeb ekek eken eker eket ekne enb- enbn enbr enee eneo ener enke enkr enne eno- enoe enon ent- ente ento entr eone eont eore eoto erbb erbe ereb eren erer eret erke erne erno erob eroe eron eroo erre erro etbr etee eten eter etne etnr etoe etok eton etre etro ette ettn etto kbbb kbbe kbbk kbbo kbbr kbbt kbeb kbee kbek kben kbeo kber kbet kbkb kbkk kbko kbkr kbnn kbno kbnr kbob kboe kbok kbon kboo kbot kbrb kbre kbrk kbrn kbro kbrt kbtb kbte kbtk kbtn kbto kbtr kbtt kebb kebe kebn kebr kebt keek keen keer keet kekb keke keko ken- kene kenk kenn keno kenr kent keok keon ker- kerb kere kerk kern kero kerr kert ket- kete ketk keto ketr kett kkbb kkbe kkbn kkbo kkbr kkbt kken kkkk kknb kkne kknn kkno kknt kkob kkon kkoo kkor kkot kkrb kkre kkrk kkrn kkro kkrr kkrt kktk knbb knbe knbn knbr knbt kneb knee knek knen kneo knet knkk knkt knnb knnk knnr knob knoe knok knon knor knot knrb knrk knro knte kntk kntn knto kntr kobb kobe kobk kobn kobo kobr koen kokb koke kokk kokn koko kokr kone konk kono kont koob kook koon kooo koor koot korb kore kork korn koro korr kort kotb kote kotk kotn koto kotr kott krbb krbe krbk krbr krbt kreb kree krek kren kreo kret krke krkk krkn krko krkr krnb krne krnk krnn krno krnt krob kroe krok kroo kror krrb krre krrk krrn krro krrr krrt krtk krtn krto krtr ktbb ktbn ktbr ktbt ktee ktek kten ktkb ktke ktkk ktkn ktko ktkr ktkt ktne ktnk ktnn ktno ktnt ktob ktoe ktok kton ktoo ktor ktot ktrb ktre ktrk ktrn ktro ktrr ktrt kttk kttn ktto kttr kttt nbbo nber nebb nebe nebn nebo nebr neeb neen neer neet neke neko nene neno nent neo- neon neoo neot nere nerk nero nerr nert net- netb nete neto nett nknt nkok nkor nktr nnnn nnot nntn nobo noer noke noko non- none nonn nono nont noo- noob nook noon nooo noor noot nor- norb nore nork norn noro norr nort not- note noto nott nren nron nter ntto nttr o-eo obbo oben ober obet obkb oboe obok obon obor obot obre obro oen- oeno oere oken oker oket okko okno okok okon okor okot okre okro okto one- oneb onee onek oneo oner onne onno onon onor ont- onto oobe ooer oone oont oooo oore oort ootb orbb orbe orbo ore- oreb orek oren oreo orer orke orko orne orno oro- oroe orok oron oror orot orro orte orto otee oten oter oto- otoe otok oton otoo otor otre otro otte otto rbbb rbbr rebb rebe rebk rebo reeb reek reen reet reke reko rekt rene renk renn reno rent reot rere rero rert rete reto retr rett rnbr rnnt rnot rob- robb robe robo robt roen roer roet roke rokk roko rokr rone ronk rono ront roob rook roon roor root rore rork roro rort rote rotk rotn roto rotr rott rrrr rtee rtkn tbrb tebo teek teen teer teet teke tenb tene tenk tenn teno tent teok teon teor ter- tere terk tern tero terr tete teto tetr tett tkon tneb tobe tobo tobt toee toek toen toer toet