-er -up b-p b-u bbb bbe bbi bbo bbp bbq bbr bbu be- beb bee bei beo bep beq ber beu bi- bib bie bii bio bip bir biu bob boe boi boo bop boq bor bou bpb bpe bpi bpo bpp bpr bpu bqe bqp brb bre bri bro brp brq brr bru bub bue bui buo bup bur buu ebb ebe ebi ebo ebp ebq ebr ebu eeb eee eeo eep eer eib eie eii eio eip eir eiu eo- eob eoe eoi eoo eop eoq eor eou ep- epb epe epi epo epp epq epr epu eqe eqp eqq equ erb ere eri ero erp erq 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 iqe iqu ir- irb ire iri iro irp irq 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 opq opr oqb oqo 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 piq pir piu pob poe poi poo pop por pou ppb ppe ppi ppo ppp ppq ppr ppu pqi pqq pqr prb pre pri pro prp prq prr pru pub pue pui pup pur puu qbe qbq qee qeo qep qie qio qip qir qiu qoi qoo qop qor qpp qpr qqq qqu qrb qre qri qrp qru qu- que qui quo qur rbb rbe rbi rbo rbp rbr rbu re- reb ree rei reo rep req rer reu rib rie rii rio rip riq rir rob roe roi roo rop ror rou rpb rpe rpi rpo rpp rpr rpu rrb rri rrp rrq 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 uiq 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 bbbq 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 biqi 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 boqe bor- bore bori boro borr boru boue boup bour bpoe bque breb bree brei breo brep brer brie brio briq brob broe broo bror brou brrr brue brup bubb bube bubi bubo bubq 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 ei-q eiei eier eiou eipo eipr eire eoir eore eori epee eper epi- epie epip epor eppo eppp eprb epro eprp epub equ- eque equi equo erbb erbe ereb erei erer erie erio eriq eriu erob eroe eroi eroo erpe erqi 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 ippq ippr ipri ipur iqer iqor ique irbe irbp iree irer iri- irie irio irip irob irop irpe irre irri iuiu iupp o-eo obbo ober obie oboe oboi oboq obor obre obri obro oere oier oiii oire oobe oobi ooer oooo oore opei opep oper opie opii opio opo- opor oppi oppo opqr oque oqui 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 perq 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 q-be qeep qeii qere qeri qero qerq qibo qiru qobu qoob qoop qore qppb qqqq qrio qube qubi qubo quee quep quer quib quie quip quir quob quoi quop quor quri quro quu- 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 riqq 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 uruq urur uuri uuuu

bbbee bbqer be-er be-ro beber bebop beebe beepi beeri beibi beier beipu beire beoir beour bepop beppe beppo beppu beque 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 bique 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