-er -up b-p b-u bbb bbe bbi bbo bbp bbr bbu be- beb bee bei beo bep ber beu bi- bib bie bii bio bip bir biu bob boe boi boo bop bor bou bpb bpe bpi bpo bpp bpr bpu brb bre bri bro brp brr bru bub bue bui buo bup bur buu ebb ebe ebi ebo ebp ebr ebu eeb eee eeo eep eer eib eie eii eio eip eir eiu eo- eob eoe eoi eoo eop eor eou ep- epb epe epi epo epp epr epu erb ere eri ero erp err eru eu- eub eue eui eup eur ibb ibe ibi ibo ibp ibr ibu ie- iee iei iep ier iib iie iii iio iip iir iiu io- iob ioe ioi ioo iop ior iou ipb ipe ipi ipo ipp ipr ipu ir- irb ire iri iro irp irr iru iu- iub iue iui iup iur o-i ob- obb obe obi obo obp obr obu oeb oee oei oeo oep oer oib oie oii oio oip oir oiu oo- oob ooi ooo oop oor op- opb ope opi opo opp opr or- orb ore ori oro orp orr oru ou- oue oui ouo oup our p-p pbb pbe pbi pbo pbp pbr pbu peb pee pei peo pep per peu pib pie pii pio pip pir piu pob poe poi poo pop por pou ppb ppe ppi ppo ppp ppr ppu prb pre pri pro prp prr pru pub pue pui pup pur puu rbb rbe rbi rbo rbp rbr rbu re- reb ree rei reo rep rer reu rib rie rii rio rip rir rob roe roi roo rop ror rou rpb rpe rpi rpo rpp rpr rpu rrb rri rrp rrr rru rub rue rui ruo rup rur ruu ubb ube ubi ubo ubp ubr ubu ueb uee uei uep uer uib uie uii uio uip uir uiu uob uoe uoo uop uor up- upb upe upi upo upp upr upu ur- urb ure uri uro urp urr uru uue uur uuu

bbbb bbeb bbpr bebb bebe bebi bebo beeb beep beer beir beo- beor bepo bere beri bero berr beru beur bibb bibe bibi bibo bieb bier bieu bio- bioi biou bipp bipu birb bire biri biro birr biru bobb bobe bobi bobo bobu boee boeo boep boer boi- boie boii boiu boob booe boop boor bope bopp bor- bore bori boro borr boru boue boup bour bpoe breb bree brei breo brep brer brie brio brob broe broo bror brou brrr brue brup bubb bube bubi bubo bubu buer bueu buie buir buiu bur- burb bure buri buro burp burr buru ebbo ebbr eber eboe eboo ebor ebpo ebro ebru ebur eeee eero eiei eier eiou eipo eipr eire eoir eore eori epee eper epi- epie epip epor eppo eppp eprb epro eprp epub erbb erbe ereb erei erer erie erio eriu erob eroe eroi eroo erpe erre erro erub erur eubi euer euoi eur- eure euro i-be ibie ibri ibro ieie ieio iere ieri iiie iiii iiio iioi iioo iiop iobi ioee ioii ioio iooi iooo iore iori iper ipie ipoe ipop ippo ippr ipri ipur irbe irbp iree irer iri- irie irio irip irob irop irpe irre irri iuiu iupp o-eo obbo ober obie oboe oboi obor obre obri obro oere oier oiii oire oobe oobi ooer oooo oore opei opep oper opie opii opio opo- opor oppi oppo orbb orbe orbi orbo orbu ore- oreb oreo orer ori- orie orio oro- oroe oror orpe orpi orri orro orub orup ouer ouie ouii ouir oupe our- oure ouro ouu- peep peer peio peip peir peor peou pepe pepi pepo per- pere peri pero perp perr peru peur pibb pibi piep pier piip piob pipe pipi pipo pipp pire piri piro pirr piru pobo poer poio poop poor pop- pope popi popo popp porb pore pori poro porr poui poup pour pper ppib ppie pppo pppp ppru ppur pre- preb pree prep preu pri- prie prii pro- prob proe proo prop prou prri prue pruu pu-e pube pubu pueo puer pueu puir puiu pupe pupi pupu pur- purb pure puri puro purp purr puru rbbb rbbr rebb rebe rebo rebu reeb reep reii reir reiu reop reou repe repi repo repp repr repu rere reri rero reru reue reup reuu rib- ribe ribo ribu riep rier rieu riou ripe ripi ripp ripr rire riri riue rob- robb robe robi robo robu roer roio roir roiu roob rooi roop roor rope ropo rore rori roro roru roub roue roup rpii rpob rpoe rrrr rubb rube rubi rubp rubu ruer rupe rupp rure ruri ruro rurp ruru u-ie u-rp ubbe ubbi ubbo uber ubii ubir ueir uepi uipi uirr uor- uore upbe upie upor uppe uppp uppu upri upup urbe urbi ure- urib urie uriu uro- uroo urpo urre urri urup urur uuri uuuu

bbbee be-er be-ro beber bebop beebe beepi beeri beibi beier beipu beire beoir beour bepop beppe beppo beppu berbe berei berie berio beriu berob beroe beror berre berri berru beuer beure bibbe bibbo biber bibie bibio bibri biebe biere bieri bieup biore bioue bipib birie birou birur biure bo-bo bobbi bobr bobre bobri bobup boero boeur boibe boier boire boiro booer boore booru borbo boree borer borio boro- boroo borou borre borro borup bouee bouer boure bouri brebu breer breo- brere breu- bribe brier briou brobo broer broue brrrr bruer bruiu bruri bubbe buber buipe buire burie burio buroo burri burro burru e-pro ebber ebbie ebibe eboue ebrio ebure eeeee eepee eerie eieio eipri eirie eorre eppie epure erbbe erber erere erier erio- eroor erore error eubie eubro euro- europ eurre i-beo ibbur ibero ibibo ibore ieiri iepe ieper ierei ieroe iiiee iiiii ioooi ioooo iorio iperu ipour ippee ippei ipubi irepo irobo irori irour irrep irupi iurie o-r-b obeie oboro oboue obreb oeiro oeppo oo-er ooioo ooooo oorie opepe opere opier opio- opir opobo opper oppie orebi oreo- oreoi orere orero oribe oribi orobe orobo oroer oropi