-er -ic -up b-p b-u bbb bbc bbd bbe bbi bbn bbp bbr bbs bbt bbu bcb bcc bcd bce bci bcn bcp bcr bcs bct bcu bdb bdc bdd bde bdi bdp bdr bds bdt bdu be- beb bec bed bee bei ben bep ber bes bet beu bi- bib bic bid bie bii bin bip bir bis bit biu bnb bnc bnd bne bni bnn bnp bnr bns bnt bnu bpb bpc bpd bpe bpi bpn bpp bpr bps bpt bpu brb brd bre bri brn brp brr brs brt bru bsb bsc bsd bse bsi bsn bsp bsr bss bst bsu btb btc btd bte bti btn btp btr bts btt btu bub buc bud bue bui bun bup bur bus but buu c-- cbb cbc cbd cbe cbi cbn cbp cbr cbs cbt cbu ccb ccc ccd cce cci ccn ccp ccr ccs cct ccu cdb cdc cdd cde cdi cdn cdp cdr cds cdt cdu ce- ceb cec ced cee cei cen cep cer ces cet ceu ci- cib cic cid cie cii cin cip cir cis cit ciu cn- cnb cnc cnd cne cni cnn cnp cnr cns cnt cnu cpb cpc cpd cpe cpi cpn cpp cpr cps cpt cpu crb crc crd cre cri crn crp crr crs crt cru csb csc csd cse csi csn csp csr css cst csu ctb ctc ctd cte cti ctn ctp ctr cts ctt ctu cub cuc cud cue cui cun cup cur cus cut cuu dbb dbc dbd dbe dbi dbn dbp dbr dbs dbt dbu dcb dcc dcd dce dci dcn dcp dcr dcs dct dcu ddb ddc ddd dde ddi ddn ddp ddr dds ddt ddu de- deb dec ded dee dei den dep der des det deu di- dib dic did die dii din dip dir dis dit diu dnb dnc dnd dne dni dnn dnp dnr dns dnt dpb dpc dpd dpe dpi dpn dpp dpr dps dpt dpu drb drc drd dre dri drn drp drr drs drt dru dsb dsc dsd dse dsi dsn dsp dsr dss dst dsu dtb dtc dtd dte dti dtn dtp dtr dts dtt dtu dub duc dud due dui dun dup dur dus dut ebb ebc ebd ebe ebi ebn ebp ebr ebs ebt ebu ec- ecb ecc ecd ece eci ecn ecr ecs ect ecu ed- edb edc edd ede edi edn edp edr eds edt edu eeb eec eed eee een eep eer ees eet eib eic eid eie eii ein eip eir eis eit eiu en- enb enc end ene eni enn enp enr ens ent enu ep- epb epc epd epe epi epn epp epr eps ept epu erb erc erd ere eri ern erp err ers ert eru es- esb esc esd ese esi esn esp esr ess est esu etb etc etd ete eti etn etp etr ets ett etu eu- eub euc eud eue eui eun eup eur eus eut i-d ibb ibc ibd ibe ibi ibn ibp ibr ibs ibt ibu icb icc icd ice ici icn icp icr ics ict icu idb idc idd ide idi idn idp idr ids idt idu ie- iec ied iee iei ien iep ier ies iet iib iic iid iie iii iin iip iir iis iit iiu in- inb inc ind ine ini inn inp inr ins int inu ipb ipc ipd ipe ipi ipn ipp ipr ips ipt ipu ir- irb irc ird ire iri irn irp irr irs irt iru is- isb isc isd ise isi isn isp isr iss ist isu itb itc itd ite iti itn itp its itt itu iu- iub iuc iud iue iui iup iur ius iut n-i nbb nbc nbd nbe nbi nbn nbp nbr nbs nbt nbu ncb ncc ncd nce nci ncn ncp ncr ncs nct ncu ndb ndc ndd nde ndi ndn ndp ndr nds ndt ndu ne- neb nec ned nee nei nen nep ner nes net neu nib nic nid nie nii nin nip nir nis nit niu nnb nnc nne nni nnn nnp nns nnt nnu npb npc npd npe npi npn npp npr nps npt npu nrb nrc nrd nre nri nrn nrp nrr nrs nrt nru nsb nsc nsd nse nsi nsn nsp nsr nss nst nsu ntb ntc ntd nte nti ntn ntp ntr nts ntt ntu nub nuc nud nue nui nun nup nur nus nut nuu p-p pbb pbc pbd pbe pbi pbn pbp pbr pbs pbt pbu pcb pcc pcd pce pci pcn pcp pcr pcs pct pcu pdb pdc pdd pde pdi pdn pdp pdr pds pdt pdu peb pec ped pee pei pen pep per pes pet peu pib pic pid pie pii pin pip pir pis pit piu pn- pnb pnc pnd pne pni pnn pnp pnr pns pnt pnu ppb ppc ppd ppe ppi ppn ppp ppr pps ppt ppu prb prc prd pre pri prn prp prr prs prt pru ps- psb psc psd pse psi psn psp psr pss pst psu pt- ptb ptc ptd pte pti ptn ptp ptr pts ptt ptu pub puc pud pue pui pun pup pur pus put puu rbb rbc rbd rbe rbi rbn rbp rbr rbs rbt rbu rcb rcc rcd rce rci rcn rcp rcr rcs rct rcu rdb rdc rdd rde rdi rdn rdp rdr rds rdt rdu re- reb rec red ree rei ren rep rer res ret reu rib ric rid rie rii rin rip rir ris rit rnb rnc rnd rni rnn rnp rnr rns rnt rnu rpb rpc rpd rpe rpi rpn rpp rpr rps rpt rpu rrb rrc rrd rri rrn rrp rrr rrs rrt rru rsb rsc rsd rse rsi rsn rsp rsr rss rst rsu rtb rtc rtd rte rti rtn rtp rtr rts rtt rtu rub ruc rud rue rui run rup rur rus rut ruu sbb sbc sbd sbe sbi sbn sbp sbr sbs sbt sbu scb scc scd sce sci scn scp