-er -ey -up b-p b-u bbb bbc bbe bbk bbm bbo bbp bbr bbt bbu bby bcb bcc bce bck bcm bco bcp bcr bct bcu bcy be- beb bec bee bek bem beo bep ber bet beu bey bkb bkc bke bkk bkm bko bkp bkr bkt bmb bmc bme bmk bmm bmo bmp bmr bmt bmu bob boc boe bok bom boo bop bor bot bou boy bpb bpc bpe bpm bpo bpp bpr bpt bpu bpy brb bre brk brm bro brp brr brt bru bry btb btc bte btk btm bto btp btr btt btu bty bub buc bue buk bum buo bup bur but buu buy by- byc bye byk bym byo byp byr byt byu c-- cbb cbc cbe cbk cbm cbo cbp cbr cbt cbu cby ccb ccc cce cck ccm cco ccp ccr cct ccu ce- ceb cec cee cek cem ceo cep cer cet ceu cey ckb ckc ckm cko ckt cky cmb cmc cme cmk cmm cmo cmp cmr cmt cmu cmy co- cob coc coe cok com coo cop cor cot cou coy cpb cpc cpe cpk cpm cpo cpp cpr cpt cpu crb crc cre crk crm cro crp crr crt cru cry ctb ctc cte ctk ctm cto ctp ctr ctt ctu cty cub cuc cue cuk cum cuo cup cur cut cuu cuy cyb cyc cye cyk cym cyo cyp cyr cyt ebb ebc ebe ebk ebm ebo ebp ebr ebt ebu eby ec- ecb ecc ece eck ecm eco ecr ect ecu eeb eec eee eek eem eeo eep eer eet eey ekb ekc eke eko ekp ekr ekt eku eky em- emb emc eme emk emm emo emp emr emt emu eo- eob eoc eoe eok eom eoo eop eor eot eou ep- epb epc epe epm epo epp epr ept epu erb erc ere erk erm ero erp err ert eru ery etb etc ete etk etm eto etp etr ett etu ety eu- eub euc eue eup eur eut eyc eye eym eyo eyp eyr eyt k-t kbb kbc kbe kbk kbm kbo kbp kbr kbu kcb kcc kce kck kcm kcp kcr kct kcu ke- keb kec kee kek kem keo kep ker ket key kkb kkc kke kkk kkm kkp kkr kkt kku kky kmb kmc kme kmk kmm kmo kmp kmt kmu kob koc koe kok kom koo kop kor kot kou koy kpc kpe kpk kpm kpo kpp kpr kpt kpu krc krk kro krp krr krt kru kry ktb ktc kte ktk ktm kto ktp ktr ktt ktu kub kuc kue kuk kum kup kur kut kuu kuy kyc kye kym kyo kyp kyr kyt kyu m-o m-r mbb mbc mbe mbk mbm mbo mbp mbr mbt mbu mc- mcb mcc mce mck mcm mco mcp mcr mct mcu meb mec mee mek mem meo mep mer met meu mey mkb mkc mke mkk mkm mko mkp mkr mkt mku mky mmb mmc mme mmk mmm mmo mmp mmr mmt mmu mob moc moe mok mom moo mop mor mot mou moy mpb mpc mpe mpk mpm mpo mpp mpr mpt mpu mrb mrc mre mrk mrm mro mrp mrr mrt mru mry mtb mtc mte mtk mtm mto mtp mtr mtt mtu mub muc mue muk mum mup mur mut muu muy my- myb myc mye myk mym myo myr myt myu ob- obb obc obe obk obm obo obp obr obt obu oby oc- ocb occ ock ocm oco ocp ocr oct ocu oeb oec oee oem oeo oep oer oet oey okb okc oke okk oko okp okr oku om- omb omc ome omm omo omp omr omt omu omy oo- oob ooc ook oom ooo oop oor oot op- opb opc ope opk opm opo opp opr opt opy or- orb orc ore ork orm oro orp orr ort oru ory ot- otb otc ote otk otm oto otp otr ott otu ou- ouc oue ouk oum ouo oup our out oye oyo p-p pbb pbc pbe pbk pbm pbo pbp pbr pbt pbu pby pcb pcc pce pck pcm pco pcp pcr pct pcu peb pec pee pek pem peo pep per pet peu pey pkb pkc pke pkm pko pkp pkr pkt pku pky pmb pmc pme pmk pmm pmo pmp pmr pmt pmu pob poc poe pok pom poo pop por pot pou poy ppb ppc ppe ppk ppm ppo ppp ppr ppt ppu prb prc pre prk prm pro prp prr prt pru pry pt- ptb ptc pte ptk ptm pto ptp ptr ptt ptu pty pub puc pue puk pum pup pur put puu puy py- pyb pyc pye pyk pym pyo pyr pyt pyu rbb rbc rbe rbk rbm rbo rbp rbr rbt rbu rcb rcc rce rcm rco rcp rcr rct rcu re- reb rec ree rek rem reo rep rer ret reu rey rkb rkc rke rkk rkm rko rkp rkt rku rky rmb rmc rme rmm rmo rmp rmr rmt rob roc roe rok rom roo rop ror rot rou roy rpb rpc rpe rpk rpm rpo rpp rpr rpt rpu rrb rrc rrk rrm rrp rrr rrt rru rtb rtc rte rtk rtm rto rtp rtr rtt rtu rty rub ruc rue ruk rum ruo rup rur rut ruu ruy ry- ryc rye ryk rym ryo ryr ryu ryy tbb tbc tbe tbk tbm tbo tbp tbr tbt tbu tcb tcc tce tck tcm tco tcp tcr tct tcu te- teb tec tee tek tem teo tep ter tet teu tey tkb tkc tke tkk tkm tko tkp tkr tkt tky tmb tmc tme tmk tmm tmo tmp tmr tmt tmu tmy to- tob toc toe tok tom too top tor tot tou toy tpb tpc tpe tpk tpm tpo tpp tpr tpt tpu trb trc tre trk trm tro trp trr trt tru try ttb ttc tte ttk ttm tto ttp ttr ttt ttu tty tub tuc tue tuk tum tuo tup