-er -up b-p b-u bbb bbe bbk bbn bbp bbr bbt bbu be- beb bee bek ben bep ber bet beu bkb bke bkk bkn bkp bkr bkt bnb bne bnk bnn bnp bnr bnt bnu bpb bpe bpn bpp bpr bpt bpu brb bre brk brn brp brr brt bru btb bte btk btn btp btr btt btu bub bue buk bun bup bur but buu ebb ebe ebk ebn ebp ebr ebt ebu eeb eee eek een eep eer eet ekb eke ekp ekr ekt eku en- enb ene enk enn enp enr ent enu ep- epb epe epn epp epr ept epu erb ere erk ern erp err ert eru etb ete etk etn etp etr ett etu eu- eub eue eun eup eur eut k-t kbb kbe kbk kbn kbp kbr kbu ke- keb kee kek ken kep ker ket kkb kke kkk kkn kkp kkr kkt kku kn- kne knk knn knp knr knt knu kpe kpk kpn kpp kpr kpt kpu krk krn krp krr krt kru ktb kte ktk ktn ktp ktr ktt ktu kub kue kuk kun kup kur kut kuu nbb nbe nbk nbn nbp nbr nbt nbu ne- neb nee nek nen nep ner net neu nke nkk nkn nkp nkr nkt nku nnb nne nnk nnn nnp nnt nnu npb npe npn npp npr npt npu nrb nre nrk nrn nrp nrr nrt nru ntb nte ntk ntn ntp ntr ntt ntu nub nue nuk nun nup nur nut nuu p-p pbb pbe pbk pbn pbp pbr pbt pbu peb pee pek pen pep per pet peu pkb pke pkn pkp pkr pkt pku pn- pnb pne pnk pnn pnp pnr pnt pnu ppb ppe ppk ppn ppp ppr ppt ppu prb pre prk prn prp prr prt pru pt- ptb pte ptk ptn ptp ptr ptt ptu pub pue puk pun pup pur put puu rbb rbe rbk rbn rbp rbr rbt rbu re- reb ree rek ren rep rer ret reu rkb rke rkk rkp rkt rku rnb rnn rnp rnr rnt rnu rpb rpe rpk rpn rpp rpr rpt rpu rrb rrk rrn rrp rrr rrt rru rtb rte rtk rtn rtp rtr rtt rtu rub rue ruk run rup rur rut ruu tbb tbe tbk tbn tbp tbr tbt tbu te- teb tee tek ten tep ter tet teu tkb tke tkk tkp tkr tkt tnb tne tnk tnn tnp tnr tnt tpb tpe tpk tpn tpp tpr tpt tpu trb tre trk trn trp trr trt tru ttb tte ttk ttn ttp ttr ttt ttu tub tue tuk tun tup tur tut tuu ubb ube ubk ubn ubp ubr ubt ubu ueb uee uen uep uer uet ukb uke ukk ukn ukp ukr uku un- unb une unk unn unp unr unt unu up- upb upe upk upn upp upr upt upu ur- urb ure urk urn urp urr urt uru utb ute utk utn utp utr utt utu uue uun uur uut uuu

-ene bbbb bbeb bbet bbpr bebb bebe beeb beek been beep beer beet beke bene benk benn bent benu bere berk bern berr bert beru bete bett betu beuk beur bkpr bkpt bner bnet bnpp bnrr breb bree brek bren brep brer bret brkb brrr brue brun brup brut btbp btek bten btrt bttb bubb bube bubu buen buer bueu buke bukk buku bunb bune bunk bunn bunt bunu bur- burb bure burk burn burp burr burt buru but- bute butt ebbr eben eber ebru ebur eeee eeke eent eete eetu ekeb ekek eken eker eket ekne ekpe ekur enb- enbn enbr enee ener enke enkr enne ennu enp- ent- ente entp entr enue enur enut epee epen eper eppp eprb eprp epte epub erbb erbe ereb eren erer eret erke erne erpe erre ertu erub erur etbr etee eten eter etne etnr etre ette ettn ettu etun euer eur- eure eurt kbbb kbbe kbbk kbbr kbbt kbbu kbeb kbee kbek kben kber kbet kbkb kbkk kbkr kbnn kbnp kbnr kbnu kbpe kbpk kbpn kbpr kbpt kbpu kbrb kbre kbrk kbrn kbrt kbru kbtb kbte kbtk kbtn kbtr kbtt kbub kbue kbuk kbun kbup kbur kbut kbuu kebb kebe kebn kebr kebt kebu keek keen keep keer keet kekb keke keku ken- kene kenk kenn kenr kent kenu kep- kepe kepn kept kepu ker- kerb kere kerk kern kerp kerr kert keru ket- kete ketk ketp ketr kett ketu keun keup keur kkbb kkbe kkbn kkbr kkbt kken kkkk kknb kkne kknn kknt kknu kkpk kkpn kkpt kkrb kkre kkrk kkrn kkrr kkrt kktk kktu kkup kkut kkuu knbb knbe knbn knbr knbt knbu kneb knee knek knen knep knet kneu knkk knkt knnb knnk knnr knpb knpr knpt knrb knrk knte kntk kntn kntr kntu knub knue knuk knur knut kpbb kpbe kpbr kpek kper kpet kpke kpkk kpkr kpne kpnp kpnt kppk kppp kppr kprb kpre kprk kprn kprp kprr kprt kpru kpte kptn kptr kptt kpub kpur krbb krbe krbk krbr krbt kreb kree krek kren kret kreu krke krkk krkn krkr krku krnb krne krnk krnn krnp krnt krnu krpr krpt krpu krrb krre krrk krrn krrr krrt krtk krtn krtr krue kruk krun krup krur ktbb ktbn ktbr ktbt ktbu ktee ktek kten ktep ktkb ktke ktkk ktkn ktkr ktkt ktku ktne ktnk ktnn ktnt ktpk ktpr ktpt ktrb ktre ktrk ktrn ktrp ktrr ktrt ktru kttk kttn kttp kttr kttt kttu ktub ktun kubb kube kubr kubu kuek kuen kueu kuke kukk kukn kuku kune kunk kunp kunr kunt kunu kupb kupe kupr kupt kupu kurb kure kurk kurr kurt kuru kute kutp kutr kutt kutu kuub kuuk kuur kuuu n-up nber nbpp nebb nebe nebn nebr nebu neeb neen neep neer neet neke neku nene nent nenu nepe nepr nept nere nerk nerr nert neru net- netb nete nett neue neuk neun neur neut neuu nknt nktr nnnn nnpr nntn nprt npte nptn nren nrpn nter nteu ntnu ntru nttr nube nubk nuee