-er -ey -up b-p b-u bbb bbc bbd bbe bbo bbp bbr bbs bbt bbu bby bcb bcc bcd bce bco bcp bcr bcs bct bcu bcy bdb bdc bdd bde bdo bdp bdr bds bdt bdu bdy be- beb bec bed bee beo bep ber bes bet beu bey bob boc bod boe boo bop bor bos bot bou boy bpb bpc bpd bpe bpo bpp bpr bps bpt bpu bpy brb brd bre bro brp brr brs brt bru bry bsb bsc bsd bse bso bsp bsr bss bst bsu bsy btb btc btd bte bto btp btr bts btt btu bty bub buc bud bue buo bup bur bus but buu buy by- byc byd bye byo byp byr bys byt byu c-- cbb cbc cbd cbe cbo cbp cbr cbs cbt cbu cby ccb ccc ccd cce cco ccp ccr ccs cct ccu cdb cdc cdd cde cdo cdp cdr cds cdt cdu cdy ce- ceb cec ced cee ceo cep cer ces cet ceu cey co- cob coc cod coe coo cop cor cos cot cou coy cpb cpc cpd cpe cpo cpp cpr cps cpt cpu crb crc crd cre cro crp crr crs crt cru cry csb csc csd cse cso csp csr css cst csu csy ctb ctc ctd cte cto ctp ctr cts ctt ctu cty cub cuc cud cue cuo cup cur cus cut cuu cuy cyb cyc cyd cye cyo cyp cyr cys cyt dbb dbc dbd dbe dbo dbp dbr dbs dbt dbu dby dcb dcc dcd dce dco dcp dcr dcs dct dcu ddb ddc ddd dde ddo ddp ddr dds ddt ddu ddy de- deb dec ded dee deo dep der des det deu dey dob doc dod doe doo dop dor dos dot dou doy dpb dpc dpd dpe dpo dpp dpr dps dpt dpu drb drc drd dre dro drp drr drs drt dru dry dsb dsc dsd dse dso dsp dsr dss dst dsu dsy dtb dtc dtd dte dto dtp dtr dts dtt dtu dty dub duc dud due duo dup dur dus dut duy dy- dyb dyc dyd dye dyo dyp dyr dys dyu dyy ebb ebc ebd ebe ebo ebp ebr ebs ebt ebu eby ec- ecb ecc ecd ece eco ecr ecs ect ecu ed- edb edc edd ede edo edp edr eds edt edu edy eeb eec eed eee eeo eep eer ees eet eey eo- eob eoc eod eoe eoo eop eor eos eot eou ep- epb epc epd epe epo epp epr eps ept epu erb erc erd ere ero erp err ers ert eru ery es- esb esc esd ese eso esp esr ess est esu esy etb etc etd ete eto etp etr ets ett etu ety eu- eub euc eud eue eup eur eus eut eyc eyd eye eyo eyp eyr eys eyt ob- obb obc obd obe obo obp obr obs obt obu oby oc- ocb occ ocd oco ocp ocr ocs oct ocu odb odc odd ode odo odp odr ods odt odu oeb oec oed oee oeo oep oer oes oet oey oo- oob ooc ood ooo oop oor oos oot op- opb opc opd ope opo opp opr ops opt opy or- orb orc ord ore oro orp orr ors ort oru ory os- osb osc osd ose oso osp osr oss ost osu ot- otb otc otd ote oto otp otr ots ott otu ou- ouc oud oue ouo oup our ous out oyd oye oyo oys p-p pbb pbc pbd pbe pbo pbp pbr pbs pbt pbu pby pcb pcc pcd pce pco pcp pcr pcs pct pcu pdb pdc pdd pde pdo pdp pdr pds pdt pdu peb pec ped pee peo pep per pes pet peu pey pob poc pod poe poo pop por pos pot pou poy ppb ppc ppd ppe ppo ppp ppr pps ppt ppu prb prc prd pre pro prp prr prs prt pru pry ps- psb psc psd pse pso psp psr pss pst psu psy pt- ptb ptc ptd pte pto ptp ptr pts ptt ptu pty pub puc pud pue pup pur pus put puu puy py- pyb pyc pyd pye pyo pyr pys pyt pyu rbb rbc rbd rbe rbo rbp rbr rbs rbt rbu rcb rcc rcd rce rco rcp rcr rcs rct rcu rdb rdc rdd rde rdo rdp rdr rds rdt rdu rdy re- reb rec red ree reo rep rer res ret reu rey rob roc rod roe roo rop ror ros rot rou roy rpb rpc rpd rpe rpo rpp rpr rps rpt rpu rrb rrc rrd rrp rrr rrs rrt rru rsb rsc rsd rse rso rsp rsr rss rst rsu rtb rtc rtd rte rto rtp rtr rts rtt rtu rty rub ruc rud rue ruo rup rur rus rut ruu ruy ry- ryc ryd rye ryo ryr rys ryu ryy sbb sbc sbd sbe sbo sbp sbr sbs sbt sbu sby scb scc scd sce sco scp scr scs sct scu sdb sdc sdd sde sdo sdp sdr sds sdt sdu sdy se- seb sec sed see seo sep ser ses set seu sey sob soc sod soe soo sop sor sos sot sou soy spb spc spd spe spo spp spr sps spt spu spy sr- srb src srd sre sro srp srr srs srt sry ss- ssb ssc ssd sse sso ssp ssr sss sst ssu stb stc std ste sto stp str sts stt stu sty sub suc sud sue suo sup sur sus sut suu suy sy- syb syc syd sye syp syr sys syt syu tbb tbc tbd tbe tbo tbp tbr tbs tbt tbu tcb tcc tcd tce tco tcp tcr tcs tct tcu tdb tdc tdd tde tdo tdp tdr tds tdt tdu tdy te- teb tec ted tee teo tep ter tes tet teu tey to- tob toc tod toe too top tor tos tot tou toy tpb tpc tpd tpe