-er -up b-p b-u bbb bbc bbe bbm bbn bbo bbp bbr bbt bbu bcb bcc bce bcm bcn bco bcp bcr bct bcu be- beb bec bee bem ben beo bep ber bet beu bmb bmc bme bmm bmn bmo bmp bmr bmt bmu bnb bnc bne bnn bno bnp bnr bnt bnu bob boc boe bom bon boo bop bor bot bou bpb bpc bpe bpm bpn bpo bpp bpr bpt bpu brb bre brm brn bro brp brr brt bru btb btc bte btm btn bto btp btr btt btu bub buc bue bum bun buo bup bur but buu c-- cbb cbc cbe cbm cbn cbo cbp cbr cbt cbu ccb ccc cce ccm ccn cco ccp ccr cct ccu ce- ceb cec cee cem cen ceo cep cer cet ceu cmb cmc cme cmm cmn cmo cmp cmr cmt cmu cn- cnb cnc cne cnm cnn cno cnp cnr cnt cnu co- cob coc coe com con coo cop cor cot cou cpb cpc cpe cpm cpn cpo cpp cpr cpt cpu crb crc cre crm crn cro crp crr crt cru ctb ctc cte ctm ctn cto ctp ctr ctt ctu cub cuc cue cum cun cuo cup cur cut cuu ebb ebc ebe ebm ebn ebo ebp ebr ebt ebu ec- ecb ecc ece ecm ecn eco ecr ect ecu eeb eec eee eem een eeo eep eer eet em- emb emc eme emm emn emo emp emr emt emu en- enb enc ene enm enn eno enp enr ent enu eo- eob eoc eoe eom eon eoo eop eor eot eou ep- epb epc epe epm epn epo epp epr ept epu erb erc ere erm ern ero erp err ert eru etb etc ete etm etn eto etp etr ett etu eu- eub euc eue eun eup eur eut m-o m-r mbb mbc mbe mbm mbo mbp mbr mbt mbu mc- mcb mcc mce mcm mcn mco mcp mcr mct mcu meb mec mee mem men meo mep mer met meu mmb mmc mme mmm mmn mmo mmp mmr mmt mmu mnb mnc mne mnm mnn mno mnp mnr mnt mnu mob moc moe mom mon moo mop mor mot mou mpb mpc mpe mpm mpn mpo mpp mpr mpt mpu mrb mrc mre mrm mrn mro mrp mrr mrt mru mtb mtc mte mtm mtn mto mtp mtr mtt mtu mub muc mue mum mun mup mur mut muu nbb nbc nbe nbm nbn nbo nbp nbr nbt nbu ncb ncc nce ncm ncn nco ncp ncr nct ncu ne- neb nec nee nem nen neo nep ner net neu nmb nmc nme nmm nmn nmo nmp nmr nmt nmu nnb nnc nne nnm nnn nno nnp nnt nnu no- nob noc noe nom non noo nop nor not nou npb npc npe npm npn npo npp npr npt npu nrb nrc nre nrm nrn nro nrp nrr nrt nru ntb ntc nte ntm ntn nto ntp ntr ntt ntu nub nuc nue num nun nuo nup nur nut nuu ob- obb obc obe obm obn obo obp obr obt obu oc- ocb occ ocm ocn oco ocp ocr oct ocu oeb oec oee oem oen oeo oep oer oet om- omb omc ome omm omn omo omp omr omt omu on- onb onc one onn ono onp onr ont onu oo- oob ooc oom oon ooo oop oor oot op- opb opc ope opm opn opo opp opr opt or- orb orc ore orm orn oro orp orr ort oru ot- otb otc ote otm otn oto otp otr ott otu ou- ouc oue oum oun ouo oup our out p-p pbb pbc pbe pbm pbn pbo pbp pbr pbt pbu pcb pcc pce pcm pcn pco pcp pcr pct pcu peb pec pee pem pen peo pep per pet peu pmb pmc pme pmm pmn pmo pmp pmr pmt pmu pn- pnb pnc pne pnm pnn pno pnp pnr pnt pnu pob poc poe pom pon poo pop por pot pou ppb ppc ppe ppm ppn ppo ppp ppr ppt ppu prb prc pre prm prn pro prp prr prt pru pt- ptb ptc pte ptm ptn pto ptp ptr ptt ptu pub puc pue pum pun pup pur put puu rbb rbc rbe rbm rbn rbo rbp rbr rbt rbu rcb rcc rce rcm rcn rco rcp rcr rct rcu re- reb rec ree rem ren reo rep rer ret reu rmb rmc rme rmm rmn rmo rmp rmr rmt rnb rnc rnm rnn rno rnp rnr rnt rnu rob roc roe rom ron roo rop ror rot rou rpb rpc rpe rpm rpn rpo rpp rpr rpt rpu rrb rrc rrm rrn rrp rrr rrt rru rtb rtc rte rtm rtn rto rtp rtr rtt rtu rub ruc rue rum run ruo rup rur rut ruu tbb tbc tbe tbm tbn tbo tbp tbr tbt tbu tcb tcc tce tcm tcn tco tcp tcr tct tcu te- teb tec tee tem ten teo tep ter tet teu tmb tmc tme tmm tmn tmo tmp tmr tmt tmu tnb tnc tne tnm tnn tno tnp tnr tnt to- tob toc toe tom ton too top tor tot tou tpb tpc tpe tpm tpn tpo tpp tpr tpt tpu trb trc tre trm trn tro trp trr trt tru ttb ttc tte ttm ttn tto ttp ttr ttt ttu tub tuc tue tum tun tuo tup tur tut tuu ubb ubc ube ubn ubo ubp ubr ubt ubu ucb ucc uce ucm ucn uco ucp ucr uct ucu ueb uec uee uem uen uep uer uet um- umb umc ume umm umn umo ump umr umt umu un- unb unc une unm unn uno unp unr unt unu uob uoc uoe uom uon uoo uop uor uot up- upb upc upe upm upn upo upp upr upt upu ur- urb urc ure urm urn uro urp urr urt uru utb utc ute utm utn uto utp utr utt