-er -up b-p b-u bbb bbd bbe bbo bbp bbr bbt bbu bdb bdd bde bdo bdp bdr bdt bdu be- beb bed bee beo bep ber bet beu bob bod boe boo bop bor bot bou bpb bpd bpe bpo bpp bpr bpt bpu brb brd bre bro brp brr brt bru btb btd bte bto btp btr btt btu bub bud bue buo bup bur but buu dbb dbd dbe dbo dbp dbr dbt dbu ddb ddd dde ddo ddp ddr ddt ddu de- deb ded dee deo dep der det deu dob dod doe doo dop dor dot dou dpb dpd dpe dpo dpp dpr dpt dpu drb drd dre dro drp drr drt dru dtb dtd dte dto dtp dtr dtt dtu dub dud due duo dup dur dut ebb ebd ebe ebo ebp ebr ebt ebu ed- edb edd ede edo edp edr edt edu eeb eed eee eeo eep eer eet eo- eob eod eoe eoo eop eor eot eou ep- epb epd epe epo epp epr ept epu erb erd ere ero erp err ert eru etb etd ete eto etp etr ett etu eu- eub eud eue eup eur eut ob- obb obd obe obo obp obr obt obu odb odd ode odo odp odr odt odu oeb oed oee oeo oep oer oet oo- oob ood ooo oop oor oot op- opb opd ope opo opp opr opt or- orb ord ore oro orp orr ort oru ot- otb otd ote oto otp otr ott otu ou- oud oue ouo oup our out p-p pbb pbd pbe pbo pbp pbr pbt pbu pdb pdd pde pdo pdp pdr pdt pdu peb ped pee peo pep per pet peu pob pod poe poo pop por pot pou ppb ppd ppe ppo ppp ppr ppt ppu prb prd pre pro prp prr prt pru pt- ptb ptd pte pto ptp ptr ptt ptu pub pud pue pup pur put puu rbb rbd rbe rbo rbp rbr rbt rbu rdb rdd rde rdo rdp rdr rdt rdu re- reb red ree reo rep rer ret reu rob rod roe roo rop ror rot rou rpb rpd rpe rpo rpp rpr rpt rpu rrb rrd rrp rrr rrt rru rtb rtd rte rto rtp rtr rtt rtu rub rud rue ruo rup rur rut ruu tbb tbd tbe tbo tbp tbr tbt tbu tdb tdd tde tdo tdp tdr tdt tdu te- teb ted tee teo tep ter tet teu to- tob tod toe too top tor tot tou tpb tpd tpe tpo tpp tpr tpt tpu trb trd tre tro trp trr trt tru ttb ttd tte tto ttp ttr ttt ttu tub tud tue tuo tup tur tut tuu ubb ube ubo ubp ubr ubt ubu udb udd ude udo udp udr udt udu ueb ued uee uep uer uet uob uod uoe uoo uop uor uot up- upb upd upe upo upp upr upt upu ur- urb urd ure uro urp urr urt uru utb utd ute uto utp utr utt utu uue uur uut uuu

bbbb bbdd bbdo bbeb bbet bbpr bd-r bebb bebe bebo bede bedo bedu beeb beed beep beer beet beo- beod beor beot bepo berd bere bero berr bert beru bete beto bett betu beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boep boer boet boob bood booe boop boor boot bope bopp bor- bord bore boro borr bort boru botb botd bote boto bott boud boue boup bour bout bpoe bpot bprd brdo brdt breb bred bree breo brep brer bret brob brod broe broo bror brot brou brrr brud brue brup brut btbp btdt btob btor btrt bttb bubb bube bubo bubu budb budd bude budo budu buer bueu bur- burb burd bure buro burp burr burt buru but- bute buto butt d-bo dbpd dbtt dddd ddot ddpo ddre ddub debe debt debu dedd dede dedo dedu deeb deed deep deer deet deop deor depe depo depp depr dept der- derb dere dero derp derr dete deto detr deue deur deut dobb dobe dobu dod- dodd dode dodo doer doob dood doop door doot dope dopo dopp dopr dopt dord dore doro dorp dorr dort doru dotd dote doto dott doub doud doue doup dour dout dpdt dper dred dree dret drob drod drop drot drou drub drue drup drut druu dtdp dted dtor dtot dttp dub- dubb dube dubu dudd dude dudo dudu duer duet duo- dupe dupo dure duro durt duru dute dutp duur duut ebbo ebbr ebed eber eboe eboo ebor ebpo ebro ebru ebur edde eddo eddp ede- eder edod edou edru edup edur eede eedu eeee eero eete eetu eode eore eotd eoto epee eper epod epor epot eppo eppp eprb epro eprp epte epub erbb erbe erde ereb ered erer eret erob erod eroe eroo erpe erre erro ertu erub erur etbr etee eter etoe etre etro ette etto ettu eude euer eur- eure euro eurt o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odop odor odot odou odrp odtu odur oedo oere oobe ooer oooo oord oore oort ootb ootp oped opep oper opet opo- opor oppo opto orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreo orer oro- oroe oror orot orpe orro orte orto orub orup otbd oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto ottu otur oude oued ouer oupe our- oure ouro ourt out- outb oute outo ouu- pbed pdpr ped- pede pedo peed peep peer peet peor peou pepd pepe pepo per- perd pere pero perp perr pert peru pete peto petr pett peur peut pobo pod- podd pode podo podu poed poer poet pood poop poor poot pop- pope popo popp popt porb pore poro porr port potd pote poto pott potu poud poup pour pout pper ppod pppd pppo pppp ppru pptt ppur pre- preb pred pree prep pret preu