-er b-u bbb bbe bbm bbo bbr bbs bbt bbu bbw be- beb bee bem beo ber bes bet beu bew bmb bme bmm bmo bmr bms bmt bmu bmw bob boe bom boo bor bos bot bou bow brb bre brm bro brr brs brt bru brw bsb bse bsm bso bsr bss bst bsu bsw btb bte btm bto btr bts btt btu btw bub bue bum buo bur bus but buu buw bwb bwo bwr bws bwu ebb ebe ebm ebo ebr ebs ebt ebu ebw eeb eee eem eeo eer ees eet eew em- emb eme emm emo emr ems emt emu emw eo- eob eoe eom eoo eor eos eot eou eow erb ere erm ero err ers ert eru erw es- esb ese esm eso esr ess est esu esw etb ete etm eto etr ets ett etu etw eu- eub eue eur eus eut ewb ewe ewm ewo ewr ews ewt ewu eww m-o m-r m-w mbb mbe mbm mbo mbr mbs mbt mbu mbw meb mee mem meo mer mes met meu mew mmb mme mmm mmo mmr mms mmt mmu mmw mob moe mom moo mor mos mot mou mow mrb mre mrm mro mrr mrs mrt mru mrw msb mse msm mso msr mss mst msu msw mtb mte mtm mto mtr mts mtt mtu mtw mub mue mum mur mus mut muu muw mwb mwe mwm mwo mwr mws mwu mww ob- obb obe obm obo obr obs obt obu obw oeb oee oem oeo oer oes oet om- omb ome omm omo omr oms omt omu omw oo- oob oom ooo oor oos oot oow or- orb ore orm oro orr ors ort oru os- osb ose osm oso osr oss ost osu osw ot- otb ote otm oto otr ots ott otu otw ou- oue oum ouo our ous out owb owe owm owo ows owt owu oww rbb rbe rbm rbo rbr rbs rbt rbu rbw re- reb ree rem reo rer res ret reu rew rmb rme rmm rmo rmr rms rmt rob roe rom roo ror ros rot rou row rrb rrm rrr rrs rrt rru rsb rse rsm rso rsr rss rst rsu rsw rtb rte rtm rto rtr rts rtt rtu rtw rub rue rum ruo rur rus rut ruu rwb rwe rwm rwr rws rwu sbb sbe sbm sbo sbr sbs sbt sbu sbw se- seb see sem seo ser ses set seu sew smb sme smm smo smr sms smt smu smw sob soe som soo sor sos sot sou sow sr- srb sre srm sro srr srs srt srw ss- ssb sse ssm sso ssr sss sst ssu ssw stb ste stm sto str sts stt stu stw sub sue sum suo sur sus sut suu suw swb swe swm swo swr sws swt swu tbb tbe tbm tbo tbr tbs tbt tbu te- teb tee tem teo ter tes tet teu tew tmb tme tmm tmo tmr tms tmt tmu tmw to- tob toe tom too tor tos tot tou tow trb tre trm tro trr trs trt tru trw tsb tse tsm tso tsr tss tst tsu tsw ttb tte ttm tto ttr tts ttt ttu ttw tub tue tum tuo tur tus tut tuu twb twe twm two twr tws twt twu tww ubb ube ubo ubr ubs ubt ubu ubw ueb uee uem uer ues uet uew um- umb ume umm umo umr ums umt umu umw uob uoe uom uoo uor uos uot uow ur- urb ure urm uro urr urs urt uru urw usb use usm uso usr uss ust usu usw utb ute utm uto utr uts utt utu uue uum uur uus uut uuu uwb uwe uwm uwr uws uww wbb wbe wbo wbr wbs wbt wbw web wee wem weo wer wes wet wew wm- wmb wme wmm wmo wmr wms wmt wmu wob woe wom woo wor wos wot wou wow wr- wre wrm wro wrr wrs wrt wru wrw wsb wse wsm wso wsr wss wst wsu wsw wtb wtm wto wtr wts wtt wtu wtw wub wue wum wuo wur wus wut wwe wwm wwo wwt wwu www