bbbb bbeb bbet bbpr bebb bebe bebi bebo beeb beem beep beer beet beim beir beit beme bemu beo- beor beot bepo bere beri berm bero berr bert beru bete beti beto bett betu beur bibb bibe bibi bibo bieb bier biet bieu bimo bio- bioi biot biou bipm bipp bipu birb bire biri biro birr birt biru bite bito bitt bitu bmep bmir bmmi bmop bmpt bobb bobe bobi bobo bobu boee boeo boep boer boet boi- boie boii boim boit boiu bomb bome bomi bomp bomt bomu boob booe boom boop boor boot bope bopp bor- bore bori borm boro borr bort boru botb bote boti boto bott boue boum boup bour bout bpoe bpot bpti breb bree brei brem breo brep brer bret brie brim brio brit brob broe brom broo bror brot brou brrm brrr brue brum brup brut btbp btie btob btor btrt bttb bubb bube bubi bubo bubu buem buer bueu buie buir buit buiu bum- bumb bump bur- burb bure buri burm buro burp burr burt buru but- bute buti buto butt ebbo ebbr eber ebit eboe eboo ebor ebpo ebro ebru ebur eeee eemo eero eete eetu eiei eier eime eimi eiou eipo eipr eire eitb eiti eitm eito eitr embe embi embo embr emer emet emeu emii emim emir emit emme emmi emmu emor empe empi empt emre emte emtp emup eoir eore eori eoto epbm epee eper epi- epie epip epit epmo epor epot eppo eppp eprb epro eprp epte epub erbb erbe ereb erei erem erer eret erie erim erio erit eriu erme ermo erob eroe eroi eroo erpe erre erro ertu erub erum erur etbr etee etem eter etim etio etoe etre etrm etro ette etti etto ettu etui eubi euer euoi eur- eure euro eurt i-be ibbm ibet ibie ibim ibmp ibot ibri ibro ibtb ieet ieie ieio ieme iere ieri ietm iett iiie iiii iiio iiit iioi iioo iiop iipm iitm iitr iitt iium imbe imbi imep imer imet imir imit imme immi immo immt imou impi impr impt imre imri imro imrr imto imue imup iobi ioee ioii ioio ioit iome iomo iooi iooo iore iori iote ioto iper ipet ipie ipmi ipmp ipoe ipop ippo ippr ipri ipto ipur iput irbe irbm irbp iree irem irer iri- irie irio irip irmo irob irop irpe irre irri irte irti irtp itbe item itep iter itet itie itim itme itmo itoi itoo itor itou itri itto itum itup itur iuiu iupp mbim mbio mbou mebe mebo meem meep meer meet meir meit meme memo memr memu meor meou mepe mer- merb mere meri merm mero merp mert meru met- mete meti meto mett metu meum meup miee miem miep mier miet mieu miii miio miit mim- mime mimi mimo mimp mio- mipi mipr mipt mire miri miro mirr mirt miru mit- mitb mite miti mitm mito mitt mitu miui mmii mmmm mmor mmpi mmpr mmpu mmrp mobb mobe mobi mobo moet moii moio moir moit mome momi momo momu moob mooe moop moor moot mope mopp morb more mori moro mort moru motb mote moti motm moto mott motu moue moup mour mout mpie mpio mpir mpit mppe mppp mpri mpro mprp mptp mrbb mrbm mreb mree mrtm mrtt mtbo mtep mtoe mtom mtor mtre mtrr mttr mube mubi mubo muee muet muie muir muit mume mumm mumo mump mumu mure muri muro murr murt muru mute muti muto mutt mutu muut o-eo obbo ober obet obie obit oboe oboi obor obot obre obri obro oeme oere oerm oeti oier oiii oimb oime oire oirt oiti oium ombe ombo ombu omee omei omeo omer omet omie omim omio omit omo- omoe omoi omoo omor ompt omre omri omro omuo oobe oobi ooer oome oooo oore oort ootb ootp opei opep oper opet opie opii opio opit opo- opor oppi oppo opti opto orbb orbe orbi orbo orbu ore- oreb orem oreo orer ori- orie orio orit orme ormo oro- oroe orom oror orot orpe orpi orri orro orte orto orub orum orup otee otem otep oter otit oto- otoe otoo otor otpp otre otro otte otti otto ottu otur ouer ouie ouii ouir ouit oume oumi oupe our- oure ouro ourt out- outb oute outi outo ouu- pbmr peep peer peet peio peip peir peit pemt peor peou pepe pepi pepo per- pere peri perm pero perp perr pert peru pete peti peto petr pett peur peut pibb pibi piem piep pier piet piip pime pimi pimp pimt piob piot pipe pipi pipo pipp pire piri piro pirr piru pite piti pito pitr pitt pitu pium pmbr pmip pmmp pmmu pmoi pmpm pmpo pmrt pmut pobo poem poer poet poio pome pomi pomo pomp pomu poop poor poot pop- pope popi popo popp popt porb pore pori poro porr port pote poti poto pott potu poui poum poup pour pout pper ppib ppie pppo pppp pprm ppru pptt ppur pre- preb pree prem prep pret preu pri- prie prii prim pro- prob proe prom proo prop prot prou prri prrm prti prtm prtp prtr prue prum prut pruu pter ptmp ptop ptui pu-e pube pubu pueo puer puet pueu puir puit puiu pume pumi pump pupe pupi pupu pur- purb pure puri puro purp purr puru put- pute puti puto putt putu rbbb rbbr rebb rebe rebo rebu reeb reem reep reet reii reim reir reit reiu reme remi remo remp reop reot reou repe repi repo repp repr rept repu rere reri rero rert reru rete reti reto retr rett reue reup reut reuu rib- ribe ribo ribu riem riep rier riet rieu rime rimi rimm rimo rimu riom riot riou ripe ripi ripp ripr ript rire riri rite riti rito ritt ritu riue rmrp rmtu rob- robb robe robi robo robt robu roer roet roio roir roit roiu romb rome romi romm romo romp roob rooi room roop roor root rope ropo rore rori roro rort roru rote roti roto rotr rott roub roue