-er -up b-p b-u bbb bbe bbn bbp bbr bbs bbu bbx be- beb bee ben bep ber bes beu bex bnb bne bnn bnp bnr bns bnu bnx bpb bpe bpn bpp bpr bps bpu bpx brb bre brn brp brr brs bru brx bsb bse bsn bsp bsr bss bsu bsx bub bue bun bup bur bus buu bux bxb bxn bxx ebb ebe ebn ebp ebr ebs ebu ebx eeb eee een eep eer ees eex en- enb ene enn enp enr ens enu ep- epb epe epn epp epr eps epu epx erb ere ern erp err ers eru es- esb ese esn esp esr ess esu esx eu- eub eue eun eup eur eus eux ex- exe exp exr exs exu exx nbb nbe nbn nbp nbr nbs nbu nbx ne- neb nee nen nep ner nes neu nex nnb nne nnn nnp nns nnu npb npe npn npp npr nps npu nrb nre nrn nrp nrr nrs nru nrx nsb nse nsn nsp nsr nss nsu nsx nub nue nun nup nur nus nuu nux p-p pbb pbe pbn pbp pbr pbs pbu pbx peb pee pen pep per pes peu pex pn- pnb pne pnn pnp pnr pns pnu pnx ppb ppe ppn ppp ppr pps ppu ppx prb pre prn prp prr prs pru prx ps- psb pse psn psp psr pss psu psx pub pue pun pup pur pus puu pxe pxr pxs rbb rbe rbn rbp rbr rbs rbu rbx re- reb ree ren rep rer res reu rex rnb rnn rnp rnr rns rnu rpb rpe rpn rpp rpr rps rpu rpx rrb rrn rrp rrr rrs rru rsb rse rsn rsp rsr rss rsu rsx rub rue run rup rur rus ruu rux rxp rxr rxs sbb sbe sbn sbp sbr sbs sbu sbx se- seb see sen sep ser ses seu sex snb sne snn snp snr sns snu spb spe spn spp spr sps spu spx sr- srb sre srn srp srr srs srx ss- ssb sse ssn ssp ssr sss ssu ssx sub sue sun sup sur sus suu sux sxn sxs sxu ubb ube ubn ubp ubr ubs ubu ubx ueb uee uen uep uer ues un- unb une unn unp unr uns unu unx up- upb upe upn upp upr ups upu upx ur- urb ure urn urp urr urs uru urx usb use usn usp usr uss usu usx uue uun uur uus uuu uxb uxr uxu xbe xbr xbx xee xen xep xer xes xeu xex xns xnu xpb xpe xpn xpp xps xrx xsb xsp xss xue xun xup xus xxp xxx

-ene bbbb bbbs bbeb bbpr bebb bebe beeb been beep beer bees bene benn bens benu bere bern berr bers beru bes- bese bess beur beux bner bnpp bnrr bnss bpsu breb bree bren brep brer bres brex brns brrr brrs brsb brsr brue brun brup brus brux bseb bsee bser bses bsns bspp bspr bsse bsup bubb bube bubs bubu buen buer bueu bunb bune bunn buns bunu bups bur- burb bure burn burp burr burs buru buse buss busu busx buus ebbr ebbs eben eber ebes ebru ebur ebus eeee eees eens eeps eers eese enb- enbn enbr enee ener enes enne enns ennu enp- enrs ense ensu enue enur enus epee epen eper epes epns eppp epps eprb eprp eprs epsp epss epsx epub epus epxp er-x erbb erbe ereb eren erer eres erne erns erpe erps erre errs erse erub erur erus esbs esee esen eser eses esne espe espn espp esps esse essp essu esus euer eur- eure euse exen exer exes expn expr exrx n-up nber nbpp nbps nbsp nebb nebe nebn nebr nebs nebu neeb neen neep neer nees nene nens nenu nepe nepr neps nere nerr ners neru nesb nese nesn nesr ness neue neun neur neuu nexe nexx nnes nnnn nnpr nnss npes npss nren nrpn nrps nrsp nseb nsep nser nsnr nsps nssb nsse nssp nssr nsss nsub nube nubs nuee nuer nune nunn nuns nupe nups nure nurn nurp nurr nurs nuru nuse nuss nusu pbrs pbsp peen peep peer pees pen- pene penn pens penu pepe peps per- pere pern perp perr pers peru pese pess pesu peun peur pnes pneu pnpp pnup ppen pper pppn pppp ppps ppru ppss ppur prbs pre- preb pree pren prep pres preu prex prnp prps prrs prse prss prue prus pruu psbr pseb psnr pspp pspr psps psrp psse pu-e pube pubs pubu puer pueu pune puns punu punx pupe pups pupu pur- purb pure purp purr purs puru puss puxe pxes rbbb rbbr rbbs rbsp rbss rebb rebe rebs rebu reeb reen reep rees rene renn rens renu repe repp repr reps repu rere rers reru rese resn resp ress reue reup reus reuu reux rexx rnbr rnsp rppn rpps rrrr rrsp rrun rsee rsnn rsnr rspb rsps rsre rubb rube rubp rubs rubu ruen ruer rues rune runn runs rupe rupp rure rurp rurs ruru ruse russ rusu ruun rxes sbbs sber sbse sbsp sbus se-e se-n se-s se-u se-x sebe sebs seeb seen seep seer sees seeu seex sene senn senr sens sepe sepn sepp sepr seps sepu sepx serb sere sern serp serr sers seru sese sess seur seux sex- sexe sexp sneb snee snep sner snes snns snpp snrs snub snur snus speb spee spen sper spes spex spne spns spps sprs spse spsp spss spue spun spur spus sreb sres srnn srps srpx srsp srub ssbn ssbr ssee ssep sses ssex ssns sspe ssps sspx ssrs sssb ssss sub- subb subs suee suen suer sues sueu sun- sunb sune sunn suns sunu sup- supe supp supr sups sur- sure surn surp surr surs suru sus- suse susp suss susu suus sux- suxe u-rp ubbe uber uers uesn uess unbe uneb unee unen uner unes unne unns unps unrs uns- unus upbe upen upne upnp uppe uppp uppu upse upup urbe urbs ure- ures