-er -up b-p b-u bbb bbe bbg bbk bbp bbr bbu be- beb bee beg bek bep ber beu bgb bge bgg bgk bgp bgr bgu bkb bke bkg bkk bkp bkr bpb bpe bpg bpp bpr bpu brb bre brg brk brp brr bru bub bue bug buk bup bur buu ebb ebe ebg ebk ebp ebr ebu eeb eee eeg eek eep eer egb ege egg egp egr egu ekb eke ekg ekp ekr eku ep- epb epe epg epp epr epu erb ere erg erk erp err eru eu- eub eue eug eup eur g-p gbe gbg gbk gbp gbr gbu ge- geb gee geg gek gep ger geu ggb ggg ggp ggr ggu gkb gkp gpb gpe gpg gpk gpp gpr gpu grb gre grg grk grp grr gru gu- gub gue gug guk gup gur guu kbb kbe kbk kbp kbr kbu ke- keb kee keg kek kep ker kgb kgp kgu kkb kke kkk kkp kkr kku kpe kpk kpp kpr kpu krg krk krp krr kru kub kue kug kuk kup kur kuu p-p pbb pbe pbg pbk pbp pbr pbu peb pee peg pek pep per peu pgb pge pgg pgk pgp pgr pkb pke pkg pkp pkr pku ppb ppe ppg ppk ppp ppr ppu prb pre prg prk prp prr pru pub pue pug puk pup pur puu rbb rbe rbg rbk rbp rbr rbu re- reb ree reg rek rep rer reu rgb rge rgg rgk rgp rgr rkb rke rkg rkk rkp rku rpb rpe rpg rpk rpp rpr rpu rrb rrg rrk rrp rrr rru rub rue rug ruk rup rur ruu ubb ube ubg ubk ubp ubr ubu ueb uee ueg uep uer ugb uge ugg ugk ugp ugr ugu ukb uke ukk ukp ukr uku up- upb upe upg upk upp upr upu ur- urb ure urg urk urp urr uru uue uug uur uuu

bbbb bbeb bbpr bbrg bebb bebe beeb beeg beek beep beer begg begu beke bere berg berk berr beru beuk beur bkpg bkpr breb bree breg brek brep brer brkb brrr brue brug brup bubb bube bubu buer bueu buge bugg buke bukk buku bur- burb bure burg burk burp burr buru ebbr eber ebru ebur eeee eeke eerg egbe egbu egee eger eggb egge eggp egpb egpe egre ekeb ekek eker ekpe ekur epee eper eppp eprb eprp epub erbb erbe ereb erer erg- ergg erke erpe erre erub erur euer euge eur- eure gebe geek geep geer gege gegg gepe gerb gere geru geue geup gggg gkrp gper gpgp gprp grbr greb gree greg grep greu grrr grub grue grug grur gubb gubu guep guer gugb guge gugg gugu gurb gure gurg gurk gurr guru kbbb kbbe kbbg kbbk kbbr kbbu kbeb kbee kbek kber kbgb kbge kbgg kbgr kbkb kbkg kbkk kbkr kbpe kbpg kbpk kbpr kbpu kbrb kbre kbrg kbrk kbru kbub kbue kbuk kbup kbur kbuu kebb kebe kebr kebu keek keep keer kege kegg kegk kegr kekb keke keku kep- kepe kepu ker- kerb kere kerk kerp kerr keru keug keup keur kgbb kgbr kgeb kggg kggr kgpe kgpg kgpr kgrb kgre kgrg kgrk kgrr kkbb kkbe kkbg kkbr kkeg kkgb kkgr kkkk kkpk kkrb kkre kkrk kkrr kkup kkuu kpbb kpbe kpbg kpbr kpek kper kpgb kpge kpgg kpgr kpke kpkk kpkr kppk kppp kppr kprb kpre kprg kprk kprp kprr kpru kpub kpug kpur krbb krbe krbg krbk krbr kreb kree krek kreu krke krkk krkr krku krpr krpu krrb krre krrg krrk krrr krue krug kruk krup krur kubb kube kubr kubu kuek kueu kugb kuge kugr kuke kukk kuku kupb kupe kupr kupu kurb kure kurk kurr kuru kuub kuuk kuur kuuu pbpk peek peep peer pegg pegu peke pekk pepe per- pere perg perk perp perr peru peur pger pgpu pgup pkge pper pppp ppru ppur pre- preb pree preg prek prep preu prue pruu pu-e pube pubu puer pueu pugu puke puku pupe pupu pur- purb pure purg purp purr puru rbbb rbbr rebb rebe rebk rebu reeb reek reep rege regr regu reke repe repp repr repu rere rerg reru reue reuk reup reuu rgbe rrrr rubb rube rubp rubu ruer ruge rugg ruke rukk ruku rupe rupp rure rurp ruru u-rp ubbe ubek uber ugep ugur uguu ukek ukeu ukup ukur upbe uppe uppp uppu upup urbe ure- urge urgu urke urre uruk urup urur uuuu

b-r-k bbbee be-er bebek beber beebe beeke begee begge begue begur beker bekke beppe beppu berbe bereg berek berge berk- berke berre berru beuer beure brebu breek breer breg- brege bregg breke brere breu- brrrr bruer bruge brugg bruke bubbe buber buger bugge bugre buker bukk- burek burge burgk burgu burke burru buruk ebber eberg ebure eeeee eepee egger egrek ekker ekuku ekuru epuku epure erbbe erber erege erere eruke eurre gbeke gberg gberu gbpee geber gebke gebre gebur geere geeup gegge gerbe gerke gerre grebe greek greer grege gregg grepe greup grgur grrrr grubb grube grure gubbe guber gubru guere gurge gurke gurre gurur k-gee k-p-r kebbe kebek keber keepe keere keppe kerek kerep kergu kerre krbpe kreek kreep kreke krepe kreuk kruge krupp kubek kuber kugur kukup kukur kuper kuppe kupur kurbu kurek kurku kurre kuruk kurup p-rep pebre peebu peege peeke peere pekre pepee peppe pepup perer perge perke perre perur peure pgrep pre-k preke prepg preuk puber puker puppe puree purer purge purku purre re-up rebbe rebeg reber reege reepe reere reger regge regur rekke repeg reppe repub rere- reree reuer rubee ruber rubke rubup ruegg ruere ruger rugge rukke rupee ruper uber- ugrug ukeep ukeke ukuug upper urger urker urpek urubu urupe uuuuu

bbbbbb beebee beebug beegee beeker beeper begger bekker berbee berber berege bereke berere berger berker berrer berube beurre breege breere breger bregge brekke breuer brubru brugge bruker bruree bubber bububu bugbug bugger buk-gu bukkur bukuru burbur burgee burger burpee burper burree burrer burrup buruku eburru eebree egbere ekberg erbree gbegbe gee-up geegee