-up b-p b-u bbb bbd bbe bbi bbp bbs bbt bbu bdb bdd bde bdi bdp bds bdt bdu be- beb bed bee bei bep bes bet beu bi- bib bid bie bii bip bis bit biu bpb bpd bpe bpi bpp bps bpt bpu bsb bsd bse bsi bsp bss bst bsu btb btd bte bti btp bts btt btu bub bud bue bui bup bus but buu dbb dbd dbe dbi dbp dbs dbt dbu ddb ddd dde ddi ddp dds ddt ddu de- deb ded dee dei dep des det deu di- dib did die dii dip dis dit diu dpb dpd dpe dpi dpp dps dpt dpu dsb dsd dse dsi dsp dss dst dsu dtb dtd dte dti dtp dts dtt dtu dub dud due dui dup dus dut ebb ebd ebe ebi ebp ebs ebt ebu ed- edb edd ede edi edp eds edt edu eeb eed eee eep ees eet eib eid eie eii eip eis eit eiu ep- epb epd epe epi epp eps ept epu es- esb esd ese esi esp ess est esu etb etd ete eti etp ets ett etu eu- eub eud eue eui eup eus eut i-d ibb ibd ibe ibi ibp ibs ibt ibu idb idd ide idi idp ids idt idu ie- ied iee iei iep ies iet iib iid iie iii iip iis iit iiu ipb ipd ipe ipi ipp ips ipt ipu is- isb isd ise isi isp iss ist isu itb itd ite iti itp its itt itu iu- iub iud iue iui iup ius iut p-p pbb pbd pbe pbi pbp pbs pbt pbu pdb pdd pde pdi pdp pds pdt pdu peb ped pee pei pep pes pet peu pib pid pie pii pip pis pit piu ppb ppd ppe ppi ppp pps ppt ppu ps- psb psd pse psi psp pss pst psu pt- ptb ptd pte pti ptp pts ptt ptu pub pud pue pui pup pus put puu sbb sbd sbe sbi sbp sbs sbt sbu sdb sdd sde sdi sdp sds sdt sdu se- seb sed see sei sep ses set seu sib sid sie sii sip sis sit siu spb spd spe spi spp sps spt spu ss- ssb ssd sse ssi ssp sss sst ssu stb std ste sti stp sts stt stu sub sud sue sui sup sus sut suu tbb tbd tbe tbi tbp tbs tbt tbu tdb tdd tde tdi tdp tds tdt tdu te- teb ted tee tei tep tes tet teu tib tid tie tii tip tis tit tiu tpb tpd tpe tpi tpp tps tpt tpu tsb tsd tse tsi tsp tss tst tsu ttb ttd tte tti ttp tts ttt ttu tub tud tue tui tup tus tut tuu ubb ube ubi ubp ubs ubt ubu udb udd ude udi udp uds udt udu ueb ued uee uei uep ues uet uib uid uie uii uip uis uit uiu up- upb upd upe upi upp ups upt upu usb usd use usi usp uss ust usu utb utd ute uti utp uts utt utu uue uus uut uuu

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