-er -th b-u bbb bbc bbe bbh bbm bbo bbr bbt bbu bcb bcc bce bch bcm bco bcr bct bcu be- beb bec bee beh bem beo ber bet beu bhb bhc bhe bhh bhm bho bhr bht bhu bmb bmc bme bmh bmm bmo bmr bmt bmu bob boc boe boh bom boo bor bot bou brb bre brh brm bro brr brt bru btb btc bte bth btm bto btr btt btu bub buc bue buh bum buo bur but buu c-- cbb cbc cbe cbh cbm cbo cbr cbt cbu ccb ccc cce cch ccm cco ccr cct ccu ce- ceb cec cee ceh cem ceo cer cet ceu ch- chb chc che chh chm cho chr cht chu cmb cmc cme cmh cmm cmo cmr cmt cmu co- cob coc coe coh com coo cor cot cou crb crc cre crh crm cro crr crt cru ctb ctc cte cth ctm cto ctr ctt ctu cub cuc cue cuh cum cuo cur cut cuu ebb ebc ebe ebh ebm ebo ebr ebt ebu ec- ecb ecc ece ech ecm eco ecr ect ecu eeb eec eee eem eeo eer eet ehb ehc ehe ehh ehm eho ehr eht ehu em- emb emc eme emh emm emo emr emt emu eo- eob eoc eoe eoh eom eoo eor eot eou erb erc ere erh erm ero err ert eru etb etc ete eth etm eto etr ett etu eu- eub euc eue eur eut hbb hbc hbe hbh hbm hbo hbr hbt hbu hcb hcc hce hch hcm hco hcr hct he- heb hec hee heh hem heo her het heu hhb hhc hhe hhh hhm hho hhr hht hhu hmb hmc hme hmh hmm hmo hmr hmt hmu hob hoc hoe hoh hom hoo hor hot hou hr- hrb hrc hre hrh hrm hro hrr hrt hru htb htc hte hth htm hto htr htt hub huc hue huh hum huo hur hut huu m-o m-r mbb mbc mbe mbh mbm mbo mbr mbt mbu mc- mcb mcc mce mch mcm mco mcr mct mcu meb mec mee meh mem meo mer met meu mhc mhh mhm mho mhr mht mhu mmb mmc mme mmh mmm mmo mmr mmt mmu mob moc moe moh mom moo mor mot mou mrb mrc mre mrh mrm mro mrr mrt mru mtb mtc mte mth mtm mto mtr mtt mtu mub muc mue muh mum mur mut muu ob- obb obc obe obh obm obo obr obt obu oc- ocb occ och ocm oco ocr oct ocu oeb oec oee oeh oem oeo oer oet ohc ohe ohh ohm oho ohr oht ohu om- omb omc ome omh omm omo omr omt omu oo- oob ooc ooh oom ooo oor oot or- orb orc ore orh orm oro orr ort oru ot- otb otc ote oth otm oto otr ott otu ou- ouc oue ouh oum ouo our out rbb rbc rbe rbh rbm rbo rbr rbt rbu rcb rcc rce rch rcm rco rcr rct rcu re- reb rec ree reh rem reo rer ret reu rh- rhb rhc rhe rhh rhm rho rhr rht rhu rmb rmc rme rmh rmm rmo rmr rmt rob roc roe roh rom roo ror rot rou rrb rrc rrh rrm rrr rrt rru rtb rtc rte rtm rto rtr rtt rtu rub ruc rue ruh rum ruo rur rut ruu tbb tbc tbe tbh tbm tbo tbr tbt tbu tcb tcc tce tch tcm tco tcr tct tcu te- teb tec tee teh tem teo ter tet teu th- thb thc the thh thm tho thr tht thu tmb tmc tme tmh tmm tmo tmr tmt tmu to- tob toc toe toh tom too tor tot tou trb trc tre trh trm tro trr trt tru ttb ttc tte tth ttm tto ttr ttt ttu tub tuc tue tuh tum tuo tur tut tuu ubb ubc ube ubh ubo ubr ubt ubu ucb ucc uce uch ucm uco ucr uct ucu ueb uec uee ueh uem uer uet uhb uhc uhe uhh uhm uho uhr uht uhu um- umb umc ume umh umm umo umr umt umu uob uoc uoe uom uoo uor uot ur- urb urc ure urm uro urr urt uru utb utc ute uth utm uto utr utt utu uuc uue uum uur uut uuu