bbbb bbeb bbet bebb bebe bebi bebo beeb beef beem beer beet befe beff befo beft beim beir beit beme beo- beof beor beot bere beri berm bero berr bert bete beti beto bett bfme bftt bibb bibe bibi bibo bieb bief bier biet biff bifi bimo bio- bioi biot birb bire biri biro birr birt bite bito bitt bmir bmmi bobb bobe bobi bobo boee boef boeo boer boet bofe boff boi- boie boii boim boit bomb bome bomi bomt boob booe boof boom boor boot bor- bore borf bori borm boro borr bort botb bote boti boto bott breb bree bref brei brem breo brer bret brfm brie brim brio brit brob broe brom broo bror brot brrm brrr btie btob btor btrt bttb ebbo ebbr eber ebit eboe eboo ebor ebro eeee eefe eemo eero eete efbr efeo efet effi efit efmi efor eft- eiei eier eime eimi eire eitb eiti eitm eito eitr embe embi embo embr emer emet emii emim emir emit emme emmi emor emre emte eoir eore eori eoto erbb erbe ereb erei erem erer eret erft erie erim erio erit erme ermo erob eroe eroi eroo erre erro etbr etee etem eter etfb etfe etim etio etoe etre etrm etro ette etti etto fbom febo feeb feem feer feet fefe feff fefi fefo feie feio feir feit femb feme femi femm feof ferb fere ferm fero ferr fert fete feti fetr fett ffee ffff ffii ffrr fftf fibe fief fier fife fiff fifi fifm fifo fift fiii fime fimo fimr fioe fior fire firm fite fiti fitt fmri fobt foer fofo foie fome fomo fomt foof foom foot for- forb fore fori form foro forr fort fote foti fotm foto fott free frei frem freo fret frib frie frim frio frit frob froe from frot fter ftii i-be ibbm ibet ibfi ibie ibim ibot ibri ibro ibtb ieet ieie ieio ieme iere ieri ietf ietm iett ifbb ifer ifim ifit ifor ifrb ifrf ifri ifto iiie iiii iiio iiit iioi iioo iitm iitr iitt imbe imbi imer imet imfi imir imit imme immi immo immt imof imre imri imro imrr imto iobi ioee ioii ioio ioit iome iomo ioof iooi iooo iore iori iote iotf ioto irbe irbm iree irem irer irfe irfm iri- irie irio irmo irob irre irri irte irtf irti itbe item iter itet itie itif itim itme itmo itof itoi itoo itor itrf itri ittf itto mbim mbio mebe mebo meef meem meer meet mefe meff mefi mefo meir meit meme memo memr meor mer- merb mere merf meri merm mero mert met- mete meti meto mett mfbm mfor mfri mftf miee miem mier miet miff mifi miii miio miit mim- mime mimi mimo mio- mire miri miro mirr mirt mit- mitb mite miti mitm mito mitt mmff mmii mmmm mmor mmrf mobb mobe mobi mobo moef moet mofe moff mofo moif moii moio moir moit mome momi momo moob mooe moor moot morb more morf mori moro mort motb mote moti motm moto mott mrbb mrbm mreb mree mrtm mrtt mtbo mtff mtoe mtom mtor mtre mtrr mttr o-eo obbo ober obet obie obit oboe oboi obor obot obre obri obro oeme oere oerm oeti ofem ofer off- offe offo offr ofit ofme ofor ofre oier oiii oimb oime oire oirt oiti ombe ombo omee omei omeo omer omet omie omim omio omit omo- omoe omoi omoo omor omre omri omro oobe oobi ooer ooff oome oooo oore oort ootb orbb orbe orbi orbo ore- oreb orem oreo orer orfe orff orfi ori- orie orif orio orit orme ormo oro- oroe orof orom oror orot orri orro orte orto otee otem oter otif otit oto- otoe otof otoo otor otre otro otte otti otto rbbb rbbr rebb rebe rebo reeb reef reem reet refe reff refi refr reft reif reii reim reir reit reme remi remo reof reot rere reri rero rert rete reti reto retr rett rfef rfem rib- ribe ribo rief riem rier riet rife riff rift riif rime rimi rimm rimo riom riot rire riri rite riti rito ritt rmif rob- robb robe robi robo robt roer roet rofe roff rofo roif roio roir roit romb rome romi romm romo roob roof rooi room roor root rore rori roro rort rote roti roto rotr rott rrif rrrr rtbf rtee rtei rtfb rtfm rtmi t-mo tbit tbrb tebo teef teem teer teet teff tefi teft teie teim teir teme temo teom teor ter- tere terf teri term tero terr tete teti teto tetr tett tfeb tfot tibi tie- tiee tief tiei tieo tier tiet tiff tifo tift tiit time timi timm timo tirb tire tiri tiro tirr tite titi tito titt tmbr tmro tmtt tobe tobi tobo tobt toee toei toer toet toff tofi tofo toft toie toit tomb tome tomi tomm tomo tomt toof toom toor toot tore torf tori torm toro torr tort tote toti totm toto totr tott tre- tree tref trei trem treo tret trfm trfr tri- trib trie trif trim trio trit trmb trmi troe troi trom troo trot trte trtr ttbb tteo tter ttff ttim ttoe tttt