-er -up b-p b-u bbb bbe bbm bbo bbp bbr bbt bbu be- beb bee bem beo bep ber bet beu bmb bme bmm bmo bmp bmr bmt bmu bob boe bom boo bop bor bot bou bpb bpe bpm bpo bpp bpr bpt bpu brb bre brm bro brp brr brt bru btb bte btm bto btp btr btt btu bub bue bum buo bup bur but buu ebb ebe ebm ebo ebp ebr ebt ebu eeb eee eem eeo eep eer eet em- emb eme emm emo emp emr emt emu eo- eob eoe eom eoo eop eor eot eou ep- epb epe epm epo epp epr ept epu erb ere erm ero erp err ert eru etb ete etm eto etp etr ett etu eu- eub eue eup eur eut m-o m-r mbb mbe mbm mbo mbp mbr mbt mbu meb mee mem meo mep mer met meu mmb mme mmm mmo mmp mmr mmt mmu mob moe mom moo mop mor mot mou mpb mpe mpm mpo mpp mpr mpt mpu mrb mre mrm mro mrp mrr mrt mru mtb mte mtm mto mtp mtr mtt mtu mub mue mum mup mur mut muu ob- obb obe obm obo obp obr obt obu oeb oee oem oeo oep oer oet om- omb ome omm omo omp omr omt omu oo- oob oom ooo oop oor oot op- opb ope opm opo opp opr opt or- orb ore orm oro orp orr ort oru ot- otb ote otm oto otp otr ott otu ou- oue oum ouo oup our out p-p pbb pbe pbm pbo pbp pbr pbt pbu peb pee pem peo pep per pet peu pmb pme pmm pmo pmp pmr pmt pmu pob poe pom poo pop por pot pou ppb ppe ppm ppo ppp ppr ppt ppu prb pre prm pro prp prr prt pru pt- ptb pte ptm pto ptp ptr ptt ptu pub pue pum pup pur put puu rbb rbe rbm rbo rbp rbr rbt rbu re- reb ree rem reo rep rer ret reu rmb rme rmm rmo rmp rmr rmt rob roe rom roo rop ror rot rou rpb rpe rpm rpo rpp rpr rpt rpu rrb rrm rrp rrr rrt rru rtb rte rtm rto rtp rtr rtt rtu rub rue rum ruo rup rur rut ruu tbb tbe tbm tbo tbp tbr tbt tbu te- teb tee tem teo tep ter tet teu tmb tme tmm tmo tmp tmr tmt tmu to- tob toe tom too top tor tot tou tpb tpe tpm tpo tpp tpr tpt tpu trb tre trm tro trp trr trt tru ttb tte ttm tto ttp ttr ttt ttu tub tue tum tuo tup tur tut tuu ubb ube ubo ubp ubr ubt ubu ueb uee uem uep uer uet um- umb ume umm umo ump umr umt umu uob uoe uom uoo uop uor uot up- upb upe upm upo upp upr upt upu ur- urb ure urm uro urp urr urt uru utb ute utm uto utp utr utt utu uue uum uur uut uuu

bbbb bbeb bbet bbpr bebb bebe bebo beeb beem beep beer beet beme bemu beo- beor beot bepo bere berm bero berr bert beru bete beto bett betu beur bmep bmop bmpt bobb bobe bobo bobu boee boeo boep boer boet bomb bome bomp bomt bomu boob booe boom boop boor boot bope bopp bor- bore borm boro borr bort boru botb bote boto bott boue boum boup bour bout bpoe bpot breb bree brem breo brep brer bret brob broe brom broo bror brot brou brrm brrr brue brum brup brut btbp btob btor btrt bttb bubb bube bubo bubu buem buer bueu bum- bumb bump bur- burb bure burm buro burp burr burt buru but- bute buto butt ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeee eemo eero eete eetu embe embo embr emer emet emeu emme emmu emor empe empt emre emte emtp emup eore eoto epbm epee eper epmo epor epot eppo eppp eprb epro eprp epte epub erbb erbe ereb erem erer eret erme ermo erob eroe eroo erpe erre erro ertu erub erum erur etbr etee etem eter etoe etre etrm etro ette etto ettu euer eur- eure euro eurt mbou mebe mebo meem meep meer meet meme memo memr memu meor meou mepe mer- merb mere merm mero merp mert meru met- mete meto mett metu meum meup mmmm mmor mmpr mmpu mmrp mobb mobe mobo moet mome momo momu moob mooe moop moor moot mope mopp morb more moro mort moru motb mote motm moto mott motu moue moup mour mout mppe mppp mpro mprp mptp mrbb mrbm mreb mree mrtm mrtt mtbo mtep mtoe mtom mtor mtre mtrr mttr mube mubo muee muet mume mumm mumo mump mumu mure muro murr murt muru mute muto mutt mutu muut o-eo obbo ober obet oboe obor obot obre obro oeme oere oerm ombe ombo ombu omee omeo omer omet omo- omoe omoo omor ompt omre omro omuo oobe ooer oome oooo oore oort ootb ootp opep oper opet opo- opor oppo opto orbb orbe orbo orbu ore- oreb orem oreo orer orme ormo oro- oroe orom oror orot orpe orro orte orto orub orum orup otee otem otep oter oto- otoe otoo otor otpp otre otro otte otto ottu otur ouer oume oupe our- oure ouro ourt out- outb oute outo ouu- pbmr peep peer peet pemt peor peou pepe pepo per- pere perm pero perp perr pert peru pete peto petr pett peur peut pmbr pmmp pmmu pmpm pmpo pmrt pmut pobo poem poer poet pome pomo pomp pomu poop poor poot pop- pope popo popp popt porb pore poro porr port pote poto pott potu poum poup pour pout pper pppo pppp pprm ppru pptt ppur pre- preb pree prem prep pret preu pro- prob proe prom proo prop prot prou prrm prtm prtp prtr prue prum prut pruu pter ptmp ptop