-er b-u bbb bbe bbi bbm bbo bbr bbu bbx be- beb bee bei bem beo ber beu bex bi- bib bie bii bim bio bir biu bix bmb bme bmi bmm bmo bmr bmu bmx bob boe boi bom boo bor bou box brb bre bri brm bro brr bru brx bub bue bui bum buo bur buu bux bxb bxi bxm bxo bxx ebb ebe ebi ebm ebo ebr ebu ebx eeb eee eem eeo eer eex eib eie eii eim eio eir eiu eix em- emb eme emi emm emo emr emu emx eo- eob eoe eoi eom eoo eor eou erb ere eri erm ero err eru eu- eub eue eui eur eux ex- exe exi exo exr exu exx ibb ibe ibi ibm ibo ibr ibu ibx ie- iee iei iem ier iex iib iie iii iim iio iir iiu iix im- imb ime imi imm imo imu imx io- iob ioe ioi iom ioo ior iou ir- irb ire iri irm iro irr iru irx iu- iub iue iui ium iur ixe ixi m-o m-r mbb mbe mbi mbm mbo mbr mbu mbx meb mee mei mem meo mer meu mex mi- mib mie mii mim mio mir miu mix mmb mme mmi mmm mmo mmr mmu mmx mob moe moi mom moo mor mou mox mrb mre mri mrm mro mrr mru mrx mub mue mui mum mur muu mux mxi mxr mxu o-i ob- obb obe obi obm obo obr obu obx oeb oee oei oem oeo oer oex oib oie oii oim oio oir oiu om- omb ome omi omm omo omr omu omx oo- oob ooi oom ooo oor oox or- orb ore ori orm oro orr oru orx ou- oue oui oum ouo our ox- oxb oxi oxo oxx rbb rbe rbi rbm rbo rbr rbu rbx re- reb ree rei rem reo rer reu rex rib rie rii rim rio rir rix rmb rme rmi rmm rmo rmr rmx rob roe roi rom roo ror rou rox rrb rri rrm rrr rru rub rue rui rum ruo rur ruu rux rxr ubb ube ubi ubo ubr ubu ubx ueb uee uei uem uer uib uie uii uim uio uir uiu um- umb ume umi umm umo umr umu uob uoe uom uoo uor uox ur- urb ure uri urm uro urr uru urx uue uum uur uuu uxb uxo uxr uxu xbe xbr xbx xee xem xer xeu xex xie xii xio xiu xix xmi xmm xmo xmr xmu xmx xoi xom xoo xor xox xrx xue xui xxi xxo xxx

bbbb bbeb bbox bebb bebe bebi bebo beeb beem beer beim beir beme bemu beo- beor bere beri berm bero berr beru beur beux bibb bibe bibi bibo bieb bier bieu bimo bimx bio- bioi biou biox birb bire biri biro birr biru birx bixi bmir bmmi bobb bobe bobi bobo bobu boee boeo boer boi- boie boii boim boiu bomb bome bomi bomu boob booe boom boor boox bor- bore bori borm boro borr boru boue boum bour breb bree brei brem breo brer brex brie brim brio brix brob broe brom broo bror brou brox brrm brrr brue brum brux bubb bube bubi bubo bubu buem buer bueu buie buir buiu buix bum- bumb bur- burb bure buri burm buro burr buru ebbo ebbr eber ebix eboe eboo ebor ebox ebro ebru ebur eeee eemo eero eiei eier eime eimi eiou eire embe embi embo embr emer emeu emex emii emim emir emix emme emmi emmu emor emre eoir eore eori eoux er-x erbb erbe ereb erei erem erer erie erim erio eriu erme ermo erob eroe eroi eroo erre erro erub erum erur eubi euer euoi eur- eure euro exer exim exmr exo- exor exrx exum i-be ibbm ibex ibie ibim ibmx ibox ibri ibro ieie ieio ieme iere ieri iiie iiii iiio iioi iioo iium imbe imbi imer imir imix imme immi immo imou imre imri imro imrr imue iobi ioee ioii ioio iome iomo iooi iooo iore iori irbe irbm iree irem irer irex iri- irie irio irix irmo irob irre irri iuiu ixxi mbim mbio mbou mbox mebe mebo meem meer meir meme memo memr memu memx meor meou mer- merb mere meri merm mero meru meum meux mexx miee miem mier mieu miii miio mim- mime mimi mimo mio- mire miri miro mirr miru miui mixe mixi mixx mmii mmix mmmm mmor mmxi mmxx mobb mobe mobi mobo moex moii moio moir mome momi momo momu moob mooe moor morb more mori moro moru moue mour moux moxe moxi moxo mrbb mrbm mreb mree mube mubi mubo muee muie muir mume mumm mumo mumu mure muri muro murr muru muxe muxi muxu mxii mxim mxxi o-eo obbo ober obex obie obix oboe oboi obor obox obre obri obro oeme oere oerm oier oiii oimb oime oire oium ombe ombo ombu omee omei omeo omer omex omie omim omio omo- omoe omoi omoo omor omox omre omri omro omuo oobe oobi ooer oome oooo oore orbb orbe orbi orbo orbu ore- oreb orem oreo orer orex ori- orie orio orix orme ormo oro- oroe orom oror orri orro orub orum ouer ouie ouii ouir oume oumi our- oure ouro ouu- oxer oxi- oxie oxim oxo- oxox oxxo rbbb rbbr rbmx rebb rebe rebo rebu reeb reem reii reim reir reiu reme remi remo reou rere reri rero reru reue reuu reux rexx rib- ribe ribo ribu riem rier rieu riex rime rimi rimm rimo rimu riom riou rire riri riue rixe rixo rob- robb robe robi robo robu roer roio roir roiu romb rome romi romm romo roob rooi room roor roox rore rori roro roru roub roue roum roux roxo rrrr rrum rubb rube rubi rubu ruer rumb rume rumi rumm rumo rure ruri ruro ruru u-ie ubbe ubbi ubbo uber ubii ubir ueir uimx uirr umb- umbe umbi umbo umer ummo umoe umor umri uomo uor- uore urbe urbi