-er -up b-p b-u bbb bbe bbg bbo bbp bbr bbu be- beb bee beg beo bep ber beu bgb bge bgg bgo bgp bgr bgu bob boe bog boo bop bor bou bpb bpe bpg bpo bpp bpr bpu brb bre brg bro brp brr bru bub bue bug buo bup bur buu ebb ebe ebg ebo ebp ebr ebu eeb eee eeg eeo eep eer egb ege egg ego egp egr egu eo- eob eoe eog eoo eop eor eou ep- epb epe epg epo epp epr epu erb ere erg ero erp err eru eu- eub eue eug eup eur g-p gbe gbg gbo gbp gbr gbu ge- geb gee geg geo gep ger geu ggb ggg ggo ggp ggr ggu gob goe gog goo gop gor gou gpb gpe gpg gpo gpp gpr gpu grb gre grg gro grp grr gru gu- gub gue gug guo gup gur guu ob- obb obe obg obo obp obr obu oeb oee oeg oeo oep oer oge ogg ogo ogp oo- oob oog ooo oop oor op- opb ope opg opo opp opr or- orb ore org oro orp orr oru ou- oue ouo oup our p-p pbb pbe pbg pbo pbp pbr pbu peb pee peg peo pep per peu pgb pge pgg pgo pgp pgr pob poe pog poo pop por pou ppb ppe ppg ppo ppp ppr ppu prb pre prg pro prp prr pru pub pue pug pup pur puu rbb rbe rbg rbo rbp rbr rbu re- reb ree reg reo rep rer reu rgb rge rgg rgo rgp rgr rob roe rog roo rop ror rou rpb rpe rpg rpo rpp rpr rpu rrb rrg rrp rrr rru rub rue rug ruo rup rur ruu ubb ube ubg ubo ubp ubr ubu ueb uee ueg uep uer ugb uge ugg ugo ugp ugr ugu uob uoe uog uoo uop uor up- upb upe upg upo upp upr upu ur- urb ure urg uro urp urr uru uue uug uur uuu

bbbb bbeb bbpr bbrg bebb bebe bebo beeb beeg beep beer begg bego begu beo- beor bepo bere berg bero berr beru beur bobb bobe bobo bobu boee boeo boep boer boge bogg bogo boob booe boog boop boor bope bopp bor- bore borg boro borr boru boue boup bour bpoe breb bree breg breo brep brer brob broe brog broo bror brou brrr brue brug brup bubb bube bubo bubu buer bueu buge bugg bugo bur- burb bure burg buro burp burr buru ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeee eerg eero egbe egbu egee eger eggb egge eggo eggp ego- egor egpb egpe egpo egre eore epee eper epor eppo eppp eprb epro eprp epub erbb erbe ereb erer erg- ergg ergo erob eroe eroo erpe erre erro erub erur euer euge eur- eure euro gbbo gebe geep geer gege gegg gego geo- geog gepe gerb gere gero geru geue geup gggg ggpo gobe gobo goer gogo goog goop goor gope gopo gopu gorb gore gorg goro gorp gorr gou- goug goup gour gper gpgp gprp grbr greb gree greg grep greu grob grog groo grop gror grou grrr grub grue grug grur gubb gubu guep guer gugb guge gugg gugu gurb gure gurg guro gurr guru o-eo obbo ober oboe obor obre obro oegb oere ogb ogbe ogee oger ogge ogog ogou ogpu ogre ogro oobe ooer oooo oore opep oper opo- opor oppo orbb orbe orbo orbu ore- oreb oreg oreo orer orge orgo oro- oroe oror orpe orro orub orup ouer ouge oupe our- oure ouro ouu- peep peer pegg pego pegu peor peou pepe pepo per- pere perg pero perp perr peru peur pger pgou pgpu pgup pobo poer poge pogg pogo poop poor pop- pope popo popp porb pore porg poro porr poup pour pper pppo pppp ppru ppur pre- preb pree preg prep preu pro- prob proe prog proo prop prou prue pruu pu-e pube pubu pueo puer pueu pugo pugu pupe pupu pur- purb pure purg puro purp purr puru rbbb rbbr rebb rebe rebo rebu reeb reep rege rego regr regu reog reop reou repe repo repp repr repu rere rerg rero reru reue reup reuu rgbe rob- robb robe robo robu roeg roer roge rogg rogo roob roog roop roor rope ropo rore roro roru roub roue roup rpob rpoe rrrr rubb rube rubp rubu ruer ruge rugg rupe rupp rure ruro rurp ruru u-rp ubbe ubbo uber ugeo ugep uggo ugro ugur uguu uor- uore upbe upgo upor uppe uppp uppu upup urbe ure- urge urgu uro- uroo urpo urre urup urur uuuu

bbbee be-er be-ro beber bebog bebop beebe begee begge begob begor begue begur beour bepop beppe beppo beppu berbe bereg berge berob beroe beror berre berru beuer beure bo-bo bobr bobre bobup boege boero boeur boger bogge bogoe bogor bogu bogue bogur booer boore booru borbo boree borer borge borgo borgu boro- boroo borou borre borro borup bouee bouer bouge boure bourg brebu breer breg- brege bregg breo- brere breu- brobo broer broue brrrr bruer bruge brugg bubbe buber buger bugge bugoo bugre burge burgo burgu buroo burro burru e-pro ebber eberg eboue ebure eeeee eepee egger eorre epure erbbe erber erege erere ergo- eroge eroor erore error erugo eubro euro- europ eurre gberg gberu gbpee geber gebre gebur geebo geere geeup gegge geoop georg geppo gerbe gerbo gerre go-go go-oo go-op gobbe gobbo gobeo gogro gogue goobo googe goore goper goppe gopro gorbe goree gorer gorge gorgo gorre gouge goure grebe grebo greer grege gregg grego grepe grepo greup grgur groge grogg groop grope gropp groue group grrrr grubb grube grure gubbe gubbo guber gubru guere guero guoge gurge guroo gurre gurro gurur o-r-b obegu oberg oboro oboue obreb oeppo ogogo ogugu oo-er ooooo opepe opere opobo opper oreo- orere orero orgue orobe orobo oroer orrgo orube oruro ouoro oure- p-rep pebre peebo peebu peege peere pepee peppe pepup perer perge pergo perou