-er b-u bbb bbe bbi bbk bbm bbo bbr bbt bbu be- beb bee bei bek bem beo ber bet beu bi- bib bie bii bik bim bio bir bit biu bkb bke bkk bkm bko bkr bkt bmb bme bmi bmk bmm bmo bmr bmt bmu bob boe boi bok bom boo bor bot bou brb bre bri brk brm bro brr brt bru btb bte bti btk btm bto btr btt btu bub bue bui buk bum buo bur but buu ebb ebe ebi ebk ebm ebo ebr ebt ebu eeb eee eek eem eeo eer eet eib eie eii eik eim eio eir eit eiu ekb eke eki eko ekr ekt eku em- emb eme emi emk emm emo emr emt emu eo- eob eoe eoi eok eom eoo eor eot eou erb ere eri erk erm ero err ert eru etb ete eti etk etm eto etr ett etu eu- eub eue eui eur eut ibb ibe ibi ibk ibm ibo ibr ibt ibu ie- iee iei iek iem ier iet iib iie iii iim iio iir iit iiu ikb ike iki ikk iko ikr ikt iku im- imb ime imi imm imo imt imu io- iob ioe ioi iom ioo ior iot iou ir- irb ire iri irk irm iro irr irt iru itb ite iti itk itm ito itt itu iu- iub iue iui ium iur iut k-t kbb kbe kbi kbk kbm kbo kbr kbu ke- keb kee kei kek kem keo ker ket kib kie kii kik kim kio kir kit kiu kkb kke kki kkk kkm kkr kkt kku kmb kme kmi kmk kmm kmo kmt kmu kob koe koi kok kom koo kor kot kou kri krk kro krr krt kru ktb kte ktk ktm kto ktr ktt ktu kub kue kui kuk kum kur kut kuu m-o m-r mbb mbe mbi mbk mbm mbo mbr mbt mbu meb mee mei mek mem meo mer met meu mi- mib mie mii mik mim mio mir mit miu mkb mke mkk mkm mko mkr mkt mku mmb mme mmi mmk mmm mmo mmr mmt mmu mob moe moi mok mom moo mor mot mou mrb mre mri mrk mrm mro mrr mrt mru mtb mte mti mtk mtm mto mtr mtt mtu mub mue mui muk mum mur mut muu o-i ob- obb obe obi obk obm obo obr obt obu oeb oee oei oem oeo oer oet oib oie oii oik oim oio oir oit oiu okb oke oki okk oko okr oku om- omb ome omi omm omo omr omt omu oo- oob ooi ook oom ooo oor oot or- orb ore ori ork orm oro orr ort oru ot- otb ote oti otk otm oto otr ott otu ou- oue oui ouk oum ouo our out rbb rbe rbi rbk rbm rbo rbr rbt rbu re- reb ree rei rek rem reo rer ret reu rib rie rii rik rim rio rir rit rkb rke rkk rkm rko rkt rku rmb rme rmi rmm rmo rmr rmt rob roe roi rok rom roo ror rot rou rrb rri rrk rrm rrr rrt rru rtb rte rti rtk rtm rto rtr rtt rtu rub rue rui ruk rum ruo rur rut ruu tbb tbe tbi tbk tbm tbo tbr tbt tbu te- teb tee tei tek tem teo ter tet teu tib tie tii tik tim tio tir tit tiu tkb tke tkk tkm tko tkr tkt tmb tme tmi tmk tmm tmo tmr tmt tmu to- tob toe toi tok tom too tor tot tou trb tre tri trk trm tro trr trt tru ttb tte tti ttk ttm tto ttr ttt ttu tub tue tui tuk tum tuo tur tut tuu ubb ube ubi ubk ubo ubr ubt ubu ueb uee uei uem uer uet uib uie uii uim uio uir uit uiu ukb uke uki ukk ukr uku um- umb ume umi umm umo umr umt umu uob uoe uok uom uoo uor uot ur- urb ure uri urk urm uro urr urt uru utb ute uti utk utm uto utr utt utu uue uum uur uut uuu

bbbb bbeb bbet bebb bebe bebi bebo beeb beek beem beer beet beik beim beir beit beke beki beko beme bemu beo- beok beor beot bere beri berk berm bero berr bert beru bete beti beto bett betu beuk beur bibb bibe bibi bibo bieb bier biet bieu bike biko biku bimo bio- bioi biot biou birb bire biri birk biro birr birt biru bite bito bitt bitu bmir bmmi bobb bobe bobi bobo bobu boee boeo boer boet boi- boie boii boim boit boiu boke boki boko boku bomb bome bomi bomt bomu boob booe book boom boor boot bor- bore bori bork borm boro borr bort boru botb bote boti boto bott boue bouk boum bour bout breb bree brei brek brem breo brer bret brie brik brim brio brit brkb brob broe brok brom broo bror brot brou brrm brrr brue brum brut btek btie btob btor btrt bttb bubb bube bubi bubo bubu buem buer bueu buie buik buir buit buiu buke buki bukk buko buku bum- bumb bur- burb bure buri burk burm buro burr burt buru but- bute buti buto butt ebbo ebbr eber ebit eboe eboo ebor ebro ebru ebur eeee eeke eemo eero eete eetu eiei eier eike eiki eiko eime eimi eiou eire eitb eiti eitm eito eitr ekeb ekek eker eket ekki ekoi ekur embe embi embo embr emek emer emet emeu emii emim emir emit emme emmi emmu emor emre emte eoir eore eori eoto erbb erbe ereb erei erem erer eret erie erik erim erio erit eriu erke erki erme ermo erob eroe eroi eroo erre erro ertu erub erum erur etbr etee etem eter etik etim etio etoe etok etre etrm etro ette etti etto ettu etui eubi euer euoi eur- eure euro eurt i-be ibbm ibet ibie ibim ibot ibri ibro ibtb ieet ieie