-er b-u bbb bbe bbi bbm bbo bbq bbr bbs bbt bbu be- beb bee bei bem beo beq ber bes bet beu bi- bib bie bii bim bio bir bis bit biu bmb bme bmi bmm bmo bmq bmr bms bmt bmu bob boe boi bom boo boq bor bos bot bou bqe bqt brb bre bri brm bro brq brr brs brt bru bsb bse bsi bsm bso bsr bss bst bsu btb bte bti btm bto btq btr bts btt btu bub bue bui bum buo bur bus but buu ebb ebe ebi ebm ebo ebq ebr ebs ebt ebu eeb eee eem eeo eer ees eet eib eie eii eim eio eir eis eit eiu em- emb eme emi emm emo emr ems emt emu eo- eob eoe eoi eom eoo eoq eor eos eot eou eqe eqq eqs eqt equ erb ere eri erm ero erq err ers ert eru es- esb ese esi esm eso esq esr ess est esu etb ete eti etm eto etr ets ett etu eu- eub eue eui eur eus eut ibb ibe ibi ibm ibo ibr ibs ibt ibu ie- iee iei iem ier ies iet iib iie iii iim iio iir iis iit iiu im- imb ime imi imm imo ims imt imu io- iob ioe ioi iom ioo ior ios iot iou iqe iqs iqt iqu ir- irb ire iri irm iro irq irr irs irt iru is- isb ise isi ism iso isq isr iss ist isu itb ite iti itm ito itq its itt itu iu- iub iue iui ium iur ius iut m-o m-r mbb mbe mbi mbm mbo mbq mbr mbs mbt mbu meb mee mei mem meo meq mer mes met meu mi- mib mie mii mim mio miq mir mis mit miu mmb mme mmi mmm mmo mmr mms mmt mmu mob moe moi mom moo mor mos mot mou mqb mqi mqr mqt mrb mre mri mrm mro mrq mrr mrs mrt mru msb mse msi msm mso msq msr mss mst msu mtb mte mti mtm mto mtr mts mtt mtu mub mue mui mum mur mus mut muu o-i ob- obb obe obi obm obo obr obs obt obu oeb oee oei oem oeo oer oes oet oib oie oii oim oio oir ois oit oiu om- omb ome omi omm omo omr oms omt omu oo- oob ooi oom ooo oor oos oot oqb oqo or- orb ore ori orm oro orr ors ort oru os- osb ose osi osm oso osq osr oss ost osu ot- otb ote oti otm oto otr ots ott otu ou- oue oui oum ouo our ous out qbe qbq qbs qee qem qeo qet qie qio qir qis qit qiu qme qmi qmr qms qmu qoi qom qoo qor qos qqq qqu qrb qre qri qrm qrs qrt qru qsi qsm qso qsr qst qti qtm qto qtq qtr qts qu- que qui qum quo qur qus qut rbb rbe rbi rbm rbo rbr rbs rbt rbu re- reb ree rei rem reo req rer res ret reu rib rie rii rim rio riq rir ris rit rmb rme rmi rmm rmo rmq rmr rms rmt rob roe roi rom roo ror ros rot rou rqm rqs rrb rri rrm rrq rrr rrs rrt rru rsb rse rsi rsm rso rsq rsr rss rst rsu rtb rte rti rtm rto rtq rtr rts rtt rtu rub rue rui rum ruo rur rus rut ruu sbb sbe sbi sbm sbo sbq sbr sbs sbt sbu se- seb see sei sem seo seq ser ses set seu sib sie sii sim sio siq sir sis sit siu smb sme smi smm smo smr sms smt smu sob soe soi som soo soq sor sos sot sou sqi sqm sqq sqr sqs sr- srb sre sri srm sro srq srr srs srt ss- ssb sse ssi ssm sso ssq ssr sss sst ssu stb ste sti stm sto stq str sts stt stu sub sue sui sum suo suq sur sus sut suu tbb tbe tbi tbm tbo tbr tbs tbt tbu te- teb tee tei tem teo teq ter tes tet teu tib tie tii tim tio tir tis tit tiu tmb tme tmi tmm tmo tmq tmr tms tmt tmu to- tob toe toi tom too toq tor tos tot tou tqm tqo trb tre tri trm tro trq trr trs trt tru tsb tse tsi tsm tso tsq tsr tss tst tsu ttb tte tti ttm tto ttr tts ttt ttu tub tue tui tum tuo tur tus tut tuu ubb ube ubi ubo ubr ubs ubt ubu ueb uee uei uem uer ues uet uib uie uii uim uio uiq uir uis uit uiu um- umb ume umi umm umo umr ums umt umu uob uoe uom uoo uor uos uot ur- urb ure uri urm uro urr urs urt uru usb use usi usm uso usr uss ust usu utb ute uti utm uto utr uts utt utu uue uum uur uus uut uuu