-er -up b-p b-u bbb bbe bbl bbn bbp bbr bbt bbu be- beb bee bel ben bep ber bet beu blb ble bll bln blp blr blt blu bnb bne bnl bnn bnp bnr bnt bnu bpb bpe bpl bpn bpp bpr bpt bpu brb bre brl brn brp brr brt bru btb bte btl btn btp btr btt btu bub bue bul bun bup bur but buu ebb ebe ebl ebn ebp ebr ebt ebu eeb eee eel een eep eer eet elb ele ell eln elp elr elt elu en- enb ene enl enn enp enr ent enu ep- epb epe epl epn epp epr ept epu erb ere erl ern erp err ert eru etb ete etl etn etp etr ett etu eu- eub eue eul eun eup eur eut l-p lbb lbe lbl lbp lbr lbt lbu leb lee lel len lep ler let leu llb lle lll lln llp llr llt llu lnb lne lnl lnn lnp lnr lnt lnu lpb lpe lpl lpn lpp lpr lpt lpu lrb lrn lrp lrr lrt lru ltb lte ltl ltp ltr ltt ltu lub lue lul lun lup lur lut luu nbb nbe nbl nbn nbp nbr nbt nbu ne- neb nee nel nen nep ner net neu nlb nle nll nln nlp nlr nlt nlu nnb nne nnl nnn nnp nnt nnu npb npe npl npn npp npr npt npu nrb nre nrl nrn nrp nrr nrt nru ntb nte ntn ntp ntr ntt ntu nub nue nul nun nup nur nut nuu p-p pbb pbe pbl pbn pbp pbr pbt pbu peb pee pel pen pep per pet peu plb ple pll pln plp plr plt plu pn- pnb pne pnl pnn pnp pnr pnt pnu ppb ppe ppl ppn ppp ppr ppt ppu prb pre prl prn prp prr prt pru pt- ptb pte ptl ptn ptp ptr ptt ptu pub pue pul pun pup pur put puu rbb rbe rbl rbn rbp rbr rbt rbu re- reb ree rel ren rep rer ret reu rle rll rln rlp rlr rlt rlu rnb rnn rnp rnr rnt rnu rpb rpe rpl rpn rpp rpr rpt rpu rrb rrl rrn rrp rrr rrt rru rtb rte rtl rtn rtp rtr rtt rtu rub rue run rup rur rut ruu tbb tbe tbl tbn tbp tbr tbt tbu te- teb tee tel ten tep ter tet teu tle tll tln tlp tlr tlt tlu tnb tne tnl tnn tnp tnr tnt tpb tpe tpl tpn tpp tpr tpt tpu trb tre trl trn trp trr trt tru ttb tte ttl ttn ttp ttr ttt ttu tub tue tul tun tup tur tut tuu ubb ube ubl ubn ubp ubr ubt ubu ueb uee uel uen uep uer uet ulb ule ull uln ulp ulr ult ulu un- unb une unl unn unp unr unt unu up- upb upe upn upp upr upt upu ur- urb ure url urn urp urr urt uru utb ute utl utn utp utr utt utu uue uun uur uut uuu

-ene bbbb bbeb bbet bblb bbpr bebb bebe beeb beel been beep beer beet bele bell belp belt belu bene benn bent benu bere bern berr bert beru bete bett betu beur blbt bleb blee blet bleu blub blue blup blur blut bner bnet bnpp bnrr bpel breb bree brel bren brep brer bret brlp brrr brue brun brup brut btbp bten btlp btrt bttb bubb bube bubu buel buen buer bueu bulb bule bull bult bulu bunb bune bunn bunt bunu bur- burb bure burl burn burp burr burt buru but- bute butt ebbr ebel eben eber ebru ebul ebur eeee eele eent eete eetu el-b el-p elbe elbu elee elen eler elet elle ellu elne elpe elte elue elul enb- enbn enbr enee enel ener enne ennu enp- ent- ente entp entr enue enur enut epee epen eper eple epll epln eppp eprb eprp epte epub erbb erbe ereb erel eren erer eret erle erll erne erpe erre ertl ertu erub erur etbr etee etel eten eter etne etnr etre ette ettn ettu etun euer eule eur- eure eurt lblr lbrt le-u lebu leel leen leep leer leet lele lell lelu lene lenn lent lepe lepp lept lere lern lerp lert lete lett leun leur llet lleu llll lnbp lner lppl lprp lptb lrne lrpu lrrr ltbl ltee ltnt lttr lube luer lule lull lulu lune lunn lunt lupe lupu lure lurt lute luup n-up nber nbpp nebb nebe nebn nebr nebu neeb neel neen neep neer neet nele nell nelt nene nent nenu nepe nepr nept nere nerl nerr nert neru net- netb nete nett neue neun neur neut neuu nler nlrb nlrp nnnn nnpr nntn npbl nppl nprt npte nptn nren nrlb nrpn nrrl nrtl nter nteu ntnu ntrl ntru nttr nube nubl nuee nuel nuer nule null nune nunn nunt nupe nure nurl nurn nurp nurr nurt nuru nute nutt nutu pblu pebl peel peen peep peer peet pel- pelb pele pell pelt pelu pen- pene penn pent penu pepe per- pere perl pern perp perr pert peru pete petn petr pett peul peun peur peut plbr ple- pleb plee plen plet pleu plnt plpp pltt plue plup plur pnet pneu pnln pnnl pnpp pntl pntr pnup ppen pper pple pppn pppp ppru pptn pptt ppur pre- preb pree prel pren prep pret preu prle prlr prnp prtp prtr prue prut pruu ptbl pten pter pu-e pube publ pubu puel puer puet pueu pule pull pulp pult pulu pune punt punu pupe pupl pupu pur- purb pure purl purp purr puru put- pute putt putu rbbb rbbr rble rebb rebe rebu reeb reel reen reep reet relb rele rell relp relt rene renn rent renu repe repl repp repr rept repu rere rert reru rete retr rett reue reul reup reut reuu rlee rleu rnbr rnnt rntp rnut rpet rppn rptn rrle rrrr rrun rtee rtle rtlt rttp rubb rube rubp rubu ruel ruen ruer