-er -up b-p b-u bbb bbc bbe bbg bbm bbo bbp bbr bbt bbu bcb bcc bce bcg bcm bco bcp bcr bct bcu be- beb bec bee beg bem beo bep ber bet beu bgb bgc bge bgg bgm bgo bgp bgr bgt bgu bmb bmc bme bmg bmm bmo bmp bmr bmt bmu bob boc boe bog bom boo bop bor bot bou bpb bpc bpe bpg bpm bpo bpp bpr bpt bpu brb bre brg brm bro brp brr brt bru btb btc bte btg btm bto btp btr btt btu bub buc bue bug bum buo bup bur but buu c-- cbb cbc cbe cbg cbm cbo cbp cbr cbt cbu ccb ccc cce ccg ccm cco ccp ccr cct ccu ce- ceb cec cee ceg cem ceo cep cer cet ceu cgb cgc cge cgg cgm cgo cgp cgr cgt cgu cmb cmc cme cmg cmm cmo cmp cmr cmt cmu co- cob coc coe cog com coo cop cor cot cou cpb cpc cpe cpg cpm cpo cpp cpr cpt cpu crb crc cre crg crm cro crp crr crt cru ctb ctc cte ctg ctm cto ctp ctr ctt ctu cub cuc cue cug cum cuo cup cur cut cuu ebb ebc ebe ebg ebm ebo ebp ebr ebt ebu ec- ecb ecc ece ecg ecm eco ecr ect ecu eeb eec eee eeg eem eeo eep eer eet egb egc ege egg egm ego egp egr egt egu em- emb emc eme emg emm emo emp emr emt emu eo- eob eoc eoe eog eom eoo eop eor eot eou ep- epb epc epe epg epm epo epp epr ept epu erb erc ere erg erm ero erp err ert eru etb etc ete etg etm eto etp etr ett etu eu- eub euc eue eug eup eur eut g-p gbc gbe gbg gbm gbo gbp gbr gbt gbu gcb gcc gce gcg gcm gco gcp gcr gct gcu ge- geb gec gee geg gem geo gep ger get geu ggb ggc ggg ggm ggo ggp ggr ggt ggu gmb gmc gme gmg gmm gmo gmp gmr gmt gob goc goe gog gom goo gop gor got gou gpb gpc gpe gpg gpm gpo gpp gpr gpt gpu grb grc gre grg grm gro grp grr grt gru gtb gtc gte gtg gtm gto gtp gtr gtt gtu gu- gub guc gue gug gum guo gup gur gut guu m-o m-r mbb mbc mbe mbg mbm mbo mbp mbr mbt mbu mc- mcb mcc mce mcg mcm mco mcp mcr mct mcu meb mec mee meg mem meo mep mer met meu mgb mgc mge mgm mgo mgp mgr mgt mgu mmb mmc mme mmg mmm mmo mmp mmr mmt mmu mob moc moe mog mom moo mop mor mot mou mpb mpc mpe mpg mpm mpo mpp mpr mpt mpu mrb mrc mre mrg mrm mro mrp mrr mrt mru mtb mtc mte mtg mtm mto mtp mtr mtt mtu mub muc mue mug mum mup mur mut muu ob- obb obc obe obg obm obo obp obr obt obu oc- ocb occ ocg ocm oco ocp ocr oct ocu oeb oec oee oeg oem oeo oep oer oet ogc oge ogg ogo ogp ogt om- omb omc ome omg omm omo omp omr omt omu oo- oob ooc oog oom ooo oop oor oot op- opb opc ope opg opm opo opp opr opt or- orb orc ore org orm oro orp orr ort oru ot- otb otc ote otg otm oto otp otr ott otu ou- ouc oue oum ouo oup our out p-p pbb pbc pbe pbg pbm pbo pbp pbr pbt pbu pcb pcc pce pcg pcm pco pcp pcr pct pcu peb pec pee peg pem peo pep per pet peu pgb pgc pge pgg pgm pgo pgp pgr pgt pmb pmc pme pmg pmm pmo pmp pmr pmt pmu pob poc poe pog pom poo pop por pot pou ppb ppc ppe ppg ppm ppo ppp ppr ppt ppu prb prc pre prg prm pro prp prr prt pru pt- ptb ptc pte ptg ptm pto ptp ptr ptt ptu pub puc pue pug pum pup pur put puu rbb rbc rbe rbg rbm rbo rbp rbr rbt rbu rcb rcc rce rcg rcm rco rcp rcr rct rcu re- reb rec ree reg rem reo rep rer ret reu rgb rgc rge rgg rgo rgp rgr rgt rmb rmc rme rmg rmm rmo rmp rmr rmt rob roc roe rog rom roo rop ror rot rou rpb rpc rpe rpg rpm rpo rpp rpr rpt rpu rrb rrc rrg rrm rrp rrr rrt rru rtb rtc rte rtg rtm rto rtp rtr rtt rtu rub ruc rue rug rum ruo rup rur rut ruu tbb tbc tbe tbg tbm tbo tbp tbr tbt tbu tcb tcc tce tcg tcm tco tcp tcr tct tcu te- teb tec tee teg tem teo tep ter tet teu tgb tgc tge tgg tgm tgo tgp tgr tgt tgu tmb tmc tme tmg tmm tmo tmp tmr tmt tmu to- tob toc toe tog tom too top tor tot tou tpb tpc tpe tpg tpm tpo tpp tpr tpt tpu trb trc tre trg trm tro trp trr trt tru ttb ttc tte ttg ttm tto ttp ttr ttt ttu tub tuc tue tug tum tuo tup tur tut tuu ubb ubc ube ubg ubo ubp ubr ubt ubu ucb ucc uce ucg ucm uco ucp ucr uct ucu ueb uec uee ueg uem uep uer uet ugb ugc uge ugg ugm ugo ugp ugr ugt ugu um- umb umc ume umg umm umo ump umr umt umu uob uoc uoe uog uom uoo uop uor uot up- upb upc upe upg upm upo upp upr upt upu ur- urb urc ure urg urm uro urp urr urt uru utb utc ute utm uto utp utr utt utu uuc uue uug uum uur uut uuu

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