-er -ic b-u bbb bbc bbe bbi bbm bbo bbr bbs bbt bbu bcb bcc bce bci bcm bco bcr bcs bct bcu bcv be- beb bec bee bei bem beo ber bes bet beu bev bi- bib bic bie bii bim bio bir bis bit biu biv bmb bmc bme bmi bmm bmo bmr bms bmt bmu bmv bob boc boe boi bom boo bor bos bot bou bov brb bre bri brm bro brr brs brt bru brv bsb bsc bse bsi bsm bso bsr bss bst bsu bsv btb btc bte bti btm bto btr bts btt btu btv bub buc bue bui bum buo bur bus but buu bvb bvc bve bvi bvm bvo bvr bvs bvt bvu bvv c-- cbb cbc cbe cbi cbm cbo cbr cbs cbt cbu cbv ccb ccc cce cci ccm cco ccr ccs cct ccu ccv ce- ceb cec cee cei cem ceo cer ces cet ceu cev ci- cib cic cie cii cim cio cir cis cit ciu civ cmb cmc cme cmi cmm cmo cmr cms cmt cmu cmv co- cob coc coe coi com coo cor cos cot cou cov crb crc cre cri crm cro crr crs crt cru crv csb csc cse csi csm cso csr css cst csu csv ctb ctc cte cti ctm cto ctr cts ctt ctu ctv cub cuc cue cui cum cuo cur cus cut cuu cuv cvb cvc cve cvi cvm cvo cvr cvs cvt cvu cvv ebb ebc ebe ebi ebm ebo ebr ebs ebt ebu ebv ec- ecb ecc ece eci ecm eco ecr ecs ect ecu ecv eeb eec eee eem eeo eer ees eet eev eib eic eie eii eim eio eir eis eit eiu eiv em- emb emc eme emi emm emo emr ems emt emu emv eo- eob eoc eoe eoi eom eoo eor eos eot eou erb erc ere eri erm ero err ers ert eru erv es- esb esc ese esi esm eso esr ess est esu esv etb etc ete eti etm eto etr ets ett etu etv eu- eub euc eue eui eur eus eut euv evb evc eve evi evm evo evr evs evt evv i-v ibb ibc ibe ibi ibm ibo ibr ibs ibt ibu ibv icb icc ice ici icm ico icr ics ict icu icv ie- iec iee iei iem ier ies iet iev iib iic iie iii iim iio iir iis iit iiu im- imb imc ime imi imm imo ims imt imu imv io- iob ioc ioe ioi iom ioo ior ios iot iou iov ir- irb irc ire iri irm iro irr irs irt iru irv is- isb isc ise isi ism iso isr iss ist isu isv itb itc ite iti itm ito its itt itu itv iu- iub iuc iue iui ium iur ius iut ivb ivc ive ivi ivo ivr ivs ivt ivu ivv m-o m-r m-v mbb mbc mbe mbi mbm mbo mbr mbs mbt mbu mbv mc- mcb mcc mce mci mcm mco mcr mcs mct mcu mcv meb mec mee mei mem meo mer mes met meu mev mi- mib mic mie mii mim mio mir mis mit miu miv mmb mmc mme mmi mmm mmo mmr mms mmt mmu mmv mob moc moe moi mom moo mor mos mot mou mov mrb mrc mre mri mrm mro mrr mrs mrt mru mrv msb msc mse msi msm mso msr mss mst msu msv mtb mtc mte mti mtm mto mtr mts mtt mtu mtv mub muc mue mui mum mur mus mut muu mvb mvc mve mvi mvm mvo mvr mvs mvt mvv o-i ob- obb obc obe obi obm obo obr obs obt obu obv oc- ocb occ oci ocm oco ocr ocs oct ocu ocv oeb oec oee oei oem oeo oer oes oet oib oic oie oii oim oio oir ois oit oiu oiv om- omb omc ome omi omm omo omr oms omt omu omv oo- oob ooc ooi oom ooo oor oos oot oov or- orb orc ore ori orm oro orr ors ort oru orv os- osb osc ose osi osm oso osr oss ost osu osv ot- otb otc ote oti otm oto otr ots ott otu otv ou- ouc oue oui oum ouo our ous out ov- ovb ovc ove ovi ovo ovs ovv rbb rbc rbe rbi rbm rbo rbr rbs rbt rbu rcb rcc rce rci rcm rco rcr rcs rct rcu rcv re- reb rec ree rei rem reo rer res ret reu rev rib ric rie rii rim rio rir ris rit riv rmb rmc rme rmi rmm rmo rmr rms rmt rmv rob roc roe roi rom roo ror ros rot rou rov rrb rrc rri rrm rrr rrs rrt rru rsb rsc rse rsi rsm rso rsr rss rst rsu rsv rtb rtc rte rti rtm rto rtr rts rtt rtu rtv rub ruc rue rui rum ruo rur rus rut ruu ruv rvb rvc rve rvi rvm rvo rvr rvs rvt rvu rvv sbb sbc sbe sbi sbm sbo sbr sbs sbt sbu sbv scb scc sce sci scm sco scr scs sct scu scv se- seb sec see sei sem seo ser ses set seu sev sib sic sie sii sim sio sir sis sit siu siv smb smc sme smi smm smo smr sms smt smu smv sob soc soe soi som soo sor sos sot sou sov sr- srb src sre sri srm sro srr srs srt srv ss- ssb ssc sse ssi ssm sso ssr sss sst ssu ssv stb stc ste sti stm sto str sts stt stu stv sub suc sue sui sum suo sur sus sut suu suv svb svc sve svi svm svo svr svs svt svu svv tbb tbc tbe tbi tbm tbo tbr tbs tbt tbu tbv tcb tcc tce tci tcm tco tcr tcs tct tcu tcv te- teb tec tee tei tem teo ter tes tet teu tev