-ene -hou -one bbbb bbch bbeb bbrc bcbc bccc bcec bcer bche bcnu bcor bcru bcuc bebb bebe bebo bech becu beeb been beer behn behr bene benn beno benu beo- beon beor berc bere bern bero berr beru beur bhcc bher bhor bhur bhuu bner bnoc bnor bnrr bobb bobe bobo bobu boce boch boco bocu boec boee boen boeo boer bohn boho bohr bohu bonc bone bonn bono bonu boob booc booe booh boon boor bor- bore borh born boro borr boru boue bouh boun bour brcb brce breb brec bree bren breo brer brno brob broc broe broh bron broo bror brou brrr bruc brue bruh brun bubb bube bubo bubu bucc buce buch buco bucu buen buer bueu buhe buho buhr bunb bune bunn buno bunu buon bur- burb bure burh burn buro burr buru c-bo cbbc cbcc cbce cbcn cbcr cbcu cbec cbee cber cbre cbrh cbrn ccbc ccbn cccb cccc cccu ccee cche cchr ccnb ccnc ccne ccnr ccnu ccob ccoc ccrc ccre ccuc cebu cec- cece ceco ceeb ceec cen- cene ceno ceor ceou cer- cerc cere cern cero chce chch cheb chec chee cheh chen cher cheu chnb chnc chno chnr choc choh chon choo chor chou chrb chrc chrn chro chrr chub chun chur cnbc cnco cnoh cnrc cnrr cobb cobe cobh cobo cobu coce coch coco cocu coen cohn coho con- conc cone conn cono coob cooh coon cor- corb corc core corn coro corr coub coue coun cour crbc crbu crcc crce crcr cre- creb crec cree creh cren creo creu crne crob croc croe croh cron croo cror crub crue crun cub- cubb cube cucc cuce cucn cuer cune cuno cuon curb cure curn curo curr ebbc ebbo ebbr ebcc eben eber ebno eboe ebon eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco eche echo ecne eco- econ ecou ecrc ecrr ecru eeee eeoc eerc eero ehcc eheh ehen eher eheu ehre enb- enbn enbr ence ench enco enee eneo ener ennc enne ennu eno- enoc enoe enon enue enur eone eore erbb erbe ercc erce erch ereb erec eren erer erhc erhu erne erno erob eroc eroe eron eroo errc erre erro erub eruc eruh erur eubc euch euer eur- eurc eure euro hboc hcbc hccb hccc hcch hebb hebe hebo hebr hech heeb heer hehe hehn heho hene henh henn heno henu heor heou herb herc here hern hero herr heru heue heun heur hhhh hnce hobe hobo hoce hoch hocn hocr hoen hoer hohe hohn hoho hone hono honu hooe hoon hoor horc hore horn horo horr houe hour hree hrob hron hrrc hrun hubb hube hubo huch hucu huer huhn huhu hunc hune hunh huon huor hure hurn huro hurr huru huub nbbc nbbo nbcc nbco nber ncbc nccc nccn nccr nccu ncec ncee ncen ncer nchc ncnc ncoc ncor ncrc ncre ncue nebb nebe nebn nebo nebr nebu necc nece nech neco necr neeb neen neer nehe nehu nene nenh neno nenu neo- neoc neon neoo nerc nere nero nerr neru neuc neue neun neuo neur neuu nhcc nheb nhnn nhon nhrc nnnn nobc nobo nobu noce noch noco noer nohn noho non- none nonn nono nonu noo- noob noon nooo noor nor- norb norc nore norn noro norr nouh noun nour nren nroc nron nrrc nubc nube nuce nuch nucu nuee nuer nunc nune nunn nuno nuoc nuon nurc nure nurn nurr nuru o-eo obbo obec oben ober oboe obon obor obre obrh obro obuh ocbc occc occn oce ocee oche ocon ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere ohbe ohcc ohee ohen oher ohho ohne ohno ohob ohoh ohre ohrn onc- once onco one- oneb onec onee oneh oneo oner onne onno onon onor onue onur oobe oocr ooer ooho oone oooh oooo oore orbb orbe orbo orbu orce orch orco ore- oreb orec oreh oren oreo orer orhe ornc orne orno oro- oroe oron oror orro orub oucc ouch ouen ouer oun- oune our- oure ourn ouro ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rebb rebe rebo rebu recc rece rech recr recu reeb reen rehb rehe rehn rene renn reno renu reou rere rero reru reue reuu rhce rheb rhee rhen rheo rhob rhoc rhoh rhon rhue rhun rnbr rnco rob- robb robe robo robu rocc roce roch roco roen roer rohe rohn rohr rohu ronc rone rono roob roon roor rorc rore roro roru roub roue rouh roun rrrr rrun rubb rube rubu ruce ruch ruen ruer ruhe ruhh ruhn ruhr runc rune runn runo rurc rure ruro ruru ruun ubbe ubbo uber uboc ubon ucbc uche ucho ucon ucrc ueno uher uhno uhoh uhuh unbe uncc unce unch unco uneb unec unee unen uner unne unno unon unro uocc uone uor- uore urbe urch ure- ureh urho urne uro- uroo urre urrh urun urur uuen uuno uuoc uuuu