-ene bbbb bbch bbeb bbpr bbrc bcbc bcbp bccc bcec bcer bche bcnu bcpp bcru bcuc bcup bebb bebe bech becu beeb been beep beer behn behr bene benn benu berc bere bern berr beru beur bhcc bher bhur bhuu bner bnpp bnrr bpcp bphc bprc brcb brce breb brec bree bren brep brer brrr bruc brue bruh brun brup bubb bube bubu bucc buce buch bucu buen buer bueu buhe buhr bunb bune bunn bunu bupc bur- burb bure burh burn burp burr buru cbbc cbcc cbce cbcn cbcp cbcr cbcu cbec cbee cber cbpc cbpp cbre cbrh cbrn ccbc ccbn cccb cccc cccp cccu ccee cche cchp cchr ccnb ccnc ccne ccnp ccnr ccnu ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cebp cebu cec- cece cecp ceeb ceec cen- cene cepc cepe ceph cepp cepr cer- cerc cere cern cerp chbp chce chch chcp cheb chec chee cheh chen chep cher cheu chnb chnc chnr chpp chpr chrb chrc chrn chrp chrr chub chun chur cnbc cnbp cncp cnep cnrc cnrr cpbc cpce cpcu cpeb cpep cper cpnb cpre crbc crbu crcc crce crcr cre- creb crec cree creh cren crep creu crne crpc crub crue crun crup cub- cubb cube cucc cuce cucn cuer cune cunp cupe cupp cupr curb cure curn curr ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eche ecne ecpp ecrc ecrr ecru eeee eerc ehcc eheh ehen eher eheu ehre enb- enbn enbr ence ench enee ener ennc enne ennu enp- enue enur epcc epch epec epee epen eper eph- eppc eppp eprb eprp epub erbb erbe ercc erce erch ercp ereb erec eren erer erhc erhu erne erpe errc erre erub eruc eruh erur eubc euch euer eur- eurc eure hcbc hccb hccc hcch hcpc hcrp hebb hebe hebr hech heeb heep heer hehe hehn hene henh henn henu hepc hepe hepp hepu herb herc here hern herp herr heru heue heun heur hhhh hhpc hnce hpcc hppe hpue hree hrpc hrpp hrrc hrun hubb hube huch hucu huer huhn huhu hunc hune hunh hupe hupp hure hurn hurr huru huub n-up nbbc nbcc nber nbpp ncbc nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer nchc ncnc ncpc ncrc ncre ncrp ncue nebb nebe nebn nebr nebu necc nece nech necr neeb neen neep neer nehe nehu nene nenh nenu nepc nepe neph nepr nerc nere nerr neru neuc neue neun neur neuu nhcc nheb nhnn nhrc nhrp nnnn nnpr npcc nppc nren nrpc nrpn nrrc nubc nube nuce nuch nucu nuee nuer nunc nune nunn nupe nurc nure nurn nurp nurr nuru pbcc pcbc pccc pcce pcep pcer pchp pcpb pcpn pcpp pcrc pcre pcun pece pech pecr peec peen peep peer pehe pehr pen- penc pene penh penn penu pepe per- perc pere perh pern perp perr peru peun peur phcc phe- phen phrr phun pnec pneu pnpp pnup ppcc ppen pper pppn pppp pprc ppru ppur prbc prcc prcp pre- preb prec pree pren prep preu prnp prue pruu pu-e pube pubu puce puch puer pueu puhn punc pune punu pupe pupu pur- purb pure purp purr puru puuc rbbb rbbr rcbc rccb rccc rcep rchb rcnr rebb rebe rebu recc rece rech recp recr recu reeb reen reep rehb rehe rehn rene renn renu repe repp repr repu rere reru reue reup reuu rhce rhcp rheb rhee rhen rhue rhun rnbr rncp rppn rrrr rrun rubb rube rubp rubu ruce ruch ruen ruer ruhe ruhh ruhn ruhr runc rune runn rupe rupp rurc rure rurp ruru ruun u-rp ubbe uber ubpc ucbc uccp uche ucpb ucph ucrc uher uhuh uhup unbe uncc unce unch uncp uneb unec unee unen uner unne unpc upbe upen upne upnp uppc uppe uppp uppu upup urbe urch ure- ureh urne urre urrh urun urup urur uucp uuen uuuu