-er -th b-u bbb bbe bbh bbm bbo bbr bbs bbt bbu be- beb bee beh bem beo ber bes bet beu bhb bhe bhh bhm bho bhr bhs bht bhu bmb bme bmh bmm bmo bmr bms bmt bmu bob boe boh bom boo bor bos bot bou brb bre brh brm bro brr brs brt bru bsb bse bsh bsm bso bsr bss bst bsu btb bte bth btm bto btr bts btt btu bub bue buh bum buo bur bus but buu ebb ebe ebh ebm ebo ebr ebs ebt ebu eeb eee eem eeo eer ees eet ehb ehe ehh ehm eho ehr ehs eht ehu em- emb eme emh emm emo emr ems emt emu eo- eob eoe eoh eom eoo eor eos eot eou erb ere erh erm ero err ers ert eru es- esb ese esh esm eso esr ess est esu etb ete eth etm eto etr ets ett etu eu- eub eue eur eus eut hbb hbe hbh hbm hbo hbr hbs hbt hbu he- heb hee heh hem heo her hes het heu hhb hhe hhh hhm hho hhr hhs hht hhu hmb hme hmh hmm hmo hmr hms hmt hmu hob hoe hoh hom hoo hor hos hot hou hr- hrb hre hrh hrm hro hrr hrs hrt hru hsb hse hsh hsm hsr hss hst hsu htb hte hth htm hto htr hts htt hub hue huh hum huo hur hus hut huu m-o m-r mbb mbe mbh mbm mbo mbr mbs mbt mbu meb mee meh mem meo mer mes met meu mhh mhm mho mhr mhs mht mhu mmb mme mmh mmm mmo mmr mms mmt mmu mob moe moh mom moo mor mos mot mou mrb mre mrh mrm mro mrr mrs mrt mru msb mse msh msm mso msr mss mst msu mtb mte mth mtm mto mtr mts mtt mtu mub mue muh mum mur mus mut muu ob- obb obe obh obm obo obr obs obt obu oeb oee oeh oem oeo oer oes oet ohe ohh ohm oho ohr ohs oht ohu om- omb ome omh omm omo omr oms omt omu oo- oob ooh oom ooo oor oos oot or- orb ore orh orm oro orr ors ort oru os- osb ose osh osm oso osr oss ost osu ot- otb ote oth otm oto otr ots ott otu ou- oue ouh oum ouo our ous out rbb rbe rbh rbm rbo rbr rbs rbt rbu re- reb ree reh rem reo rer res ret reu rh- rhb rhe rhh rhm rho rhr rhs rht rhu rmb rme rmh rmm rmo rmr rms rmt rob roe roh rom roo ror ros rot rou rrb rrh rrm rrr rrs rrt rru rsb rse rsh rsm rso rsr rss rst rsu rtb rte rtm rto rtr rts rtt rtu rub rue ruh rum ruo rur rus rut ruu sbb sbe sbh sbm sbo sbr sbs sbt sbu se- seb see seh sem seo ser ses set seu sh- shb she shh shm sho shr shs sht shu smb sme smh smm smo smr sms smt smu sob soe soh som soo sor sos sot sou sr- srb sre srh srm sro srr srs srt ss- ssb sse ssh ssm sso ssr sss sst ssu stb ste sth stm sto str sts stt stu sub sue suh sum suo sur sus sut suu tbb tbe tbh tbm tbo tbr tbs tbt tbu te- teb tee teh tem teo ter tes tet teu th- thb the thh thm tho thr ths tht thu tmb tme tmh tmm tmo tmr tms tmt tmu to- tob toe toh tom too tor tos tot tou trb tre trh trm tro trr trs trt tru tsb tse tsh tsm tso tsr tss tst tsu ttb tte tth ttm tto ttr tts ttt ttu tub tue tuh tum tuo tur tus tut tuu ubb ube ubh ubo ubr ubs ubt ubu ueb uee ueh uem uer ues uet uhb uhe uhh uhm uho uhr uhs uht uhu um- umb ume umh umm umo umr ums umt umu uob uoe uom uoo uor uos uot ur- urb ure urm uro urr urs urt uru usb use ush usm uso usr uss ust usu utb ute uth utm uto utr uts utt utu uue uum uur uus uut uuu