-er -ic -up b-p b-u bbb bbc bbd bbe bbi bbp bbr bbs bbt bbu bcb bcc bcd bce bci bcp bcr bcs bct bcu bdb bdc bdd bde bdi bdp bdr bds bdt bdu be- beb bec bed bee bei bep ber bes bet beu bi- bib bic bid bie bii bip bir bis bit biu bpb bpc bpd bpe bpi bpp bpr bps bpt bpu brb brd bre bri brp brr brs brt bru bsb bsc bsd bse bsi bsp bsr bss bst bsu btb btc btd bte bti btp btr bts btt btu bub buc bud bue bui bup bur bus but buu c-- cbb cbc cbd cbe cbi cbp cbr cbs cbt cbu ccb ccc ccd cce cci ccp ccr ccs cct ccu cdb cdc cdd cde cdi cdp cdr cds cdt cdu ce- ceb cec ced cee cei cep cer ces cet ceu ci- cib cic cid cie cii cip cir cis cit ciu cpb cpc cpd cpe cpi cpp cpr cps cpt cpu crb crc crd cre cri crp crr crs crt cru csb csc csd cse csi csp csr css cst csu ctb ctc ctd cte cti ctp ctr cts ctt ctu cub cuc cud cue cui cup cur cus cut cuu dbb dbc dbd dbe dbi dbp dbr dbs dbt dbu dcb dcc dcd dce dci dcp dcr dcs dct dcu ddb ddc ddd dde ddi ddp ddr dds ddt ddu de- deb dec ded dee dei dep der des det deu di- dib dic did die dii dip dir dis dit diu dpb dpc dpd dpe dpi dpp dpr dps dpt dpu drb drc drd dre dri drp drr drs drt dru dsb dsc dsd dse dsi dsp dsr dss dst dsu dtb dtc dtd dte dti dtp dtr dts dtt dtu dub duc dud due dui dup dur dus dut ebb ebc ebd ebe ebi ebp ebr ebs ebt ebu ec- ecb ecc ecd ece eci ecr ecs ect ecu ed- edb edc edd ede edi edp edr eds edt edu eeb eec eed eee eep eer ees eet eib eic eid eie eii eip eir eis eit eiu ep- epb epc epd epe epi epp epr eps ept epu erb erc erd ere eri erp err ers ert eru es- esb esc esd ese esi esp esr ess est esu etb etc etd ete eti etp etr ets ett etu eu- eub euc eud eue eui eup eur eus eut i-d ibb ibc ibd ibe ibi ibp ibr ibs ibt ibu icb icc icd ice ici icp icr ics ict icu idb idc idd ide idi idp idr ids idt idu ie- iec ied iee iei iep ier ies iet iib iic iid iie iii iip iir iis iit iiu ipb ipc ipd ipe ipi ipp ipr ips ipt ipu ir- irb irc ird ire iri irp irr irs irt iru is- isb isc isd ise isi isp isr iss ist isu itb itc itd ite iti itp its itt itu iu- iub iuc iud iue iui iup iur ius iut p-p pbb pbc pbd pbe pbi pbp pbr pbs pbt pbu pcb pcc pcd pce pci pcp pcr pcs pct pcu pdb pdc pdd pde pdi pdp pdr pds pdt pdu peb pec ped pee pei pep per pes pet peu pib pic pid pie pii pip pir pis pit piu ppb ppc ppd ppe ppi ppp ppr pps ppt ppu prb prc prd pre pri prp prr prs prt pru ps- psb psc psd pse psi psp psr pss pst psu pt- ptb ptc ptd pte pti ptp ptr pts ptt ptu pub puc pud pue pui pup pur pus put puu rbb rbc rbd rbe rbi rbp rbr rbs rbt rbu rcb rcc rcd rce rci rcp rcr rcs rct rcu rdb rdc rdd rde rdi rdp rdr rds rdt rdu re- reb rec red ree rei rep rer res ret reu rib ric rid rie rii rip rir ris rit rpb rpc rpd rpe rpi rpp rpr rps rpt rpu rrb rrc rrd rri rrp rrr rrs rrt rru rsb rsc rsd rse rsi rsp rsr rss rst rsu rtb rtc rtd rte rti rtp rtr rts rtt rtu rub ruc rud rue rui rup rur rus rut ruu sbb sbc sbd sbe sbi sbp sbr sbs sbt sbu scb scc scd sce sci scp scr scs sct scu sdb sdc sdd sde sdi sdp sdr sds sdt sdu se- seb sec sed see sei sep ser ses set seu sib sic sid sie sii sip sir sis sit siu spb spc spd spe spi spp spr sps spt spu sr- srb src srd sre sri srp srr srs srt ss- ssb ssc ssd sse ssi ssp ssr sss sst ssu stb stc std ste sti stp str sts stt stu sub suc sud sue sui sup sur sus sut suu tbb tbc tbd tbe tbi tbp tbr tbs tbt tbu tcb tcc tcd tce tci tcp tcr tcs tct tcu tdb tdc tdd tde tdi tdp tdr tds tdt tdu te- teb tec ted tee tei tep ter tes tet teu tib tic tid tie tii tip tir tis tit tiu tpb tpc tpd tpe tpi tpp tpr tps tpt tpu trb trc trd tre tri trp trr trs trt tru tsb tsc tsd tse tsi tsp tsr tss tst tsu ttb ttc ttd tte tti ttp ttr tts ttt ttu tub tuc tud tue tui tup tur tus tut tuu ubb ubc ube ubi ubp ubr ubs ubt ubu ucb ucc ucd uce uci ucp ucr ucs uct ucu udb udc udd ude udi udp udr uds udt udu ueb uec ued uee uei uep uer ues uet uib uic uid uie uii uip uir uis uit uiu up- upb upc upd upe upi upp upr ups upt upu ur- urb urc urd ure uri urp urr urs urt uru usb usc usd use usi usp usr uss ust usu utb utc utd