-er -up b-p b-u bbb bbe bbf bbo bbp bbr bbu be- beb bee bef beo bep ber beu bfb bfe bff bfo bfp bfr bfu bob boe bof boo bop bor bou bpb bpe bpf bpo bpp bpr bpu brb bre brf bro brp brr bru bub bue buf buo bup bur buu ebb ebe ebf ebo ebp ebr ebu eeb eee eef eeo eep eer ef- efb efe eff efo efp efr eo- eob eoe eof eoo eop eor eou ep- epb epe epf epo epp epr epu erb ere erf ero erp err eru eu- eub eue euf eup eur fbb fbe fbf fbo fbp fbr fbu feb fee fef feo fep fer feu ffe fff ffo ffp ffr ffu fob foe fof foo fop for fou fpb fpe fpo fpp fpr fpu frb fre frf fro frp frr fru fub fue fuf fuo fup fur fuu ob- obb obe obf obo obp obr obu oeb oee oef oeo oep oer of- ofb ofe off ofo ofp ofr ofu oo- oob oof ooo oop oor op- opb ope opf opo opp opr or- orb ore orf oro orp orr oru ou- oue ouf ouo oup our p-p pbb pbe pbf pbo pbp pbr pbu peb pee pef peo pep per peu pfb pfe pff pfo pfp pfr pfu pob poe pof poo pop por pou ppb ppe ppf ppo ppp ppr ppu prb pre prf pro prp prr pru pub pue puf pup pur puu rbb rbe rbf rbo rbp rbr rbu re- reb ree ref reo rep rer reu rfb rfe rff rfo rfp rfr rfu rob roe rof roo rop ror rou rpb rpe rpf rpo rpp rpr rpu rrb rrf rrp rrr rru rub rue ruf ruo rup rur ruu ubb ube ubf ubo ubp ubr ubu ueb uee uef uep uer ufe uff ufo ufp ufr ufu uob uoe uoo uop uor up- upb upe upf upo upp upr upu ur- urb ure urf uro urp urr uru uue uur uuu

bbbb bbeb bbpr bebb bebe bebo beeb beef beep beer befe beff befo beo- beof beor bepo bere bero berr beru beur bfpo bfpp bobb bobe bobo bobu boee boef boeo boep boer bofe boff bofu boob booe boof boop boor bope bopp bor- bore borf boro borr boru boue bouf boup bour bpoe breb bree bref breo brep brer brfu brob broe broo bror brou brrr brue brup bubb bube bubo bubu buer bueu bufe buff bufo bufr bur- burb bure buro burp burr buru ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeee eefe eero efbr efeo efor eore epee eper epor eppo eppp eprb epro eprp epub erbb erbe ereb erer erob eroe eroo erpe erre erro erub erur euer eur- eure euro fbop febo feeb feer fefe feff fefo feof ferb fere fero ferr feru ffee ffff ffrr foer fofo foof fopp for- forb fore foro forr foup four fprf free freo frep frob froe frop frou frub frue fubb fubu fuff fufu fuor fur- fure furo furr o-eo obbo ober oboe obor obre obro oere oeuf ofer off- offe offo offr offu ofor ofre oobe ooer ooff oooo oore opep oper opo- opor oppo orbb orbe orbo orbu ore- oreb oreo orer orfe orff orfu oro- oroe orof oror orpe orro orub orup ouer oufe ouff oupe our- oure ouro ouu- pbrf peep peer peff peor peou pepe pepo per- pere perf pero perp perr peru peur pfff pffr pobo poer poff poof poop poor pop- pope popo popp porb pore poro porr pouf poup pour pper pppo pppp pprf ppru ppur pre- preb pree pref prep preu pro- prob proe prof proo prop prou prue pruf pruu pu-e pube pubu pueo puer pueu puff pupe pupu pur- purb pure puro purp purr puru rbbb rbbr rebb rebe rebo rebu reeb reef reep refe reff refr refu reof reop reou repe repo repp repr repu rere rero reru reue reuf reup reuu rfef rob- robb robe robo robu roer rofe roff rofo roob roof roop roor rope ropo rore roro roru roub roue rouf roup rpob rpoe rpof rrrr rubb rube rubp rubu ruer rufe ruff rufo rupe rupp rure ruro rurp ruru u-rp ubbe ubbo uber ufer uffe ufpb uofo uor- uore upbe upor uppe uppp uppu upup urbe ure- urfe urff uro- uroo urpo urre urup urur uuuu

bbbee be-er be-ro beber bebop beebe beffe befoe befor befur beofe beoff beour bepop beppe beppo beppu berbe berob beroe beror berre berru beuer beure bo-bo bobr bobre bobup boero boeuf boeur boffo booer boore booru borbo boree borer boro- boroo borou borre borro borup bouee bouer boure brebu breef breer breo- brere breu- brobo broer broue brrrr bruer bruff bubbe buber buffe buffo buroo burro burru e-pro ebber eboue ebure eeeee eepee efere effer efore efuru eofor eorre epure erbbe erber erere eroor erore error eubro euro- europ eurre febre feeor feere fefor feoff ferr- ferre ferro feuer foore fore- foreo forro forur fouee foupe fourb foure fouro freep freer frere freur frobe froop frore froup fu-fu fuero furbo furo- furor o-fer o-r-b oboro oboue obreb oeppo offer offof offre ofour ofpop oo-er ooooo opepe opere opobo opper oreo- orere orero orfeo orfeu orfoe orfor orobe orobo oroer orube oruro ouoro oure- p-rep pebre peebo peebu peere pepee peppe pepup perer perou perre perro perur peure pforp po-po pobe pooer poope poopo poore poper popop poppe poppo popup poreb porer poro- porro porur pouer pouff poupe poure preef preff preop probe probo proer profe proff proof proor prop- prope propp propr prore puber pubo- puero puppe puppo puree purer puro- purre re-up rebbe reber rebop reefe reepe reere refer reffe reffo repop repor reppe repro repub rere- reree rerob reuer ro-ro robbe robbo rober robo- robop robor robur roero roffe rofor rooer roofe roope roore rooue roper roppe rorbu rorer rouer roufe roure rperf rprop rubee ruber rubof rubor rubup ruere ruffe ruffo rufo-