-er -up b-p b-u bbb bbe bbg bbo bbp bbr bbt bbu be- beb bee beg beo bep ber bet beu bgb bge bgg bgo bgp bgr bgt bgu bob boe bog boo bop bor bot bou bpb bpe bpg bpo bpp bpr bpt bpu brb bre brg bro brp brr brt bru btb bte btg bto btp btr btt btu bub bue bug buo bup bur but buu ebb ebe ebg ebo ebp ebr ebt ebu eeb eee eeg eeo eep eer eet egb ege egg ego egp egr egt egu eo- eob eoe eog eoo eop eor eot eou ep- epb epe epg epo epp epr ept epu erb ere erg ero erp err ert eru etb ete etg eto etp etr ett etu eu- eub eue eug eup eur eut g-p gbe gbg gbo gbp gbr gbt gbu ge- geb gee geg geo gep ger get geu ggb ggg ggo ggp ggr ggt ggu gob goe gog goo gop gor got gou gpb gpe gpg gpo gpp gpr gpt gpu grb gre grg gro grp grr grt gru gtb gte gtg gto gtp gtr gtt gtu gu- gub gue gug guo gup gur gut guu ob- obb obe obg obo obp obr obt obu oeb oee oeg oeo oep oer oet oge ogg ogo ogp ogt oo- oob oog ooo oop oor oot op- opb ope opg opo opp opr opt or- orb ore org oro orp orr ort oru ot- otb ote otg oto otp otr ott otu ou- oue ouo oup our out p-p pbb pbe pbg pbo pbp pbr pbt pbu peb pee peg peo pep per pet peu pgb pge pgg pgo pgp pgr pgt pob poe pog poo pop por pot pou ppb ppe ppg ppo ppp ppr ppt ppu prb pre prg pro prp prr prt pru pt- ptb pte ptg pto ptp ptr ptt ptu pub pue pug pup pur put puu rbb rbe rbg rbo rbp rbr rbt rbu re- reb ree reg reo rep rer ret reu rgb rge rgg rgo rgp rgr rgt rob roe rog roo rop ror rot rou rpb rpe rpg rpo rpp rpr rpt rpu rrb rrg rrp rrr rrt rru rtb rte rtg rto rtp rtr rtt rtu rub rue rug ruo rup rur rut ruu tbb tbe tbg tbo tbp tbr tbt tbu te- teb tee teg teo tep ter tet teu tgb tge tgg tgo tgp tgr tgt tgu to- tob toe tog too top tor tot tou tpb tpe tpg tpo tpp tpr tpt tpu trb tre trg tro trp trr trt tru ttb tte ttg tto ttp ttr ttt ttu tub tue tug tuo tup tur tut tuu ubb ube ubg ubo ubp ubr ubt ubu ueb uee ueg uep uer uet ugb uge ugg ugo ugp ugr ugt ugu uob uoe uog uoo uop uor uot up- upb upe upg upo upp upr upt upu ur- urb ure urg uro urp urr urt uru utb ute uto utp utr utt utu uue uug uur uut uuu

bbbb bbeb bbet bbpr bbrg bebb bebe bebo beeb beeg beep beer beet begg bego begu beo- beor beot bepo bere berg bero berr bert beru bete beto bett betu beur bobb bobe bobo bobu boee boeo boep boer boet boge bogg bogo bogt boob booe boog boop boor boot bope bopp bor- bore borg boro borr bort boru botb bote boto bott boue boup bour bout bpoe bpot breb bree breg breo brep brer bret brob broe brog broo bror brot brou brrr brue brug brup brut btbp btob btor btrt bttb bubb bube bubo bubu buer bueu buge bugg bugo bur- burb bure burg buro burp burr burt buru but- bute buto butt ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeee eerg eero eete eetu egbe egbu egee eger eggb egge eggo eggp ego- egor egot egpb egpe egpo egre egte eore eoto epee eper epor epot eppo eppp eprb epro eprp epte epub erbb erbe ereb erer eret erg- ergg ergo erob eroe eroo erpe erre erro ertu erub erur etbr etee eter etoe etre etro ette etto ettu euer euge eur- eure euro eurt gbbo gebe geep geer geet gege gegg gego geo- geog gepe gerb gere gero gert geru getb gete getg geto gett geue geup ggbt gggg ggpo gobe gobo goer gogo goog goop goor goot gope gopo gopu gorb gore gorg goro gorp gorr gort gote goto gott gou- goug goup gour gout gper gpgp gpot gprp grbr greb gree greg grep gret greu grob grog groo grop gror grot grou grrr grub grue grug grur grut gtbr gtoe gtop gubb gubu guep guer gugb guge gugg gugu gurb gure gurg guro gurr gurt guru gute guto gutt gutu o-eo obbo ober obet oboe obor obot obre obro oegb oere ogb ogbe ogee oger ogge ogog ogou ogpu ogre ogro oobe ooer oooo oore oort ootb ootp opep oper opet opo- opor oppo opto orbb orbe orbo orbu ore- oreb oreg oreo orer orge orgo oro- oroe oror orot orpe orro orte orto orub orup otee otep oter oto- otoe otog otoo otor otpp otre otro otte otto ottu otur ouer ouge oupe our- oure ouro ourt out- outb oute outo ouu- peep peer peet pegg pego pegu peor peou pepe pepo per- pere perg pero perp perr pert peru pete peto petr pett peur peut pger pgou pgpu pgup pobo poer poet poge pogg pogo poop poor poot pop- pope popo popp popt porb pore porg poro porr port pote poto pott potu poup pour pout pper pppo pppp ppru pptt ppur pre- preb pree preg prep pret preu pro- prob proe prog proo prop prot prou prtp prtr prue prut pruu pter ptop pu-e pube pubu pueo puer puet pueu pugo pugu pupe pupu pur- purb pure purg puro purp purr puru put- pute puto putt putu rbbb rbbr rebb rebe rebo rebu reeb reep reet rege rego regr