-er -up b-p b-u bbb bbd bbe bbg bbi bbo bbp bbr bbs bbu bdb bdd bde bdg bdi bdo bdp bdr bds bdu be- beb bed bee beg bei beo bep ber bes beu bgb bgd bge bgg bgi bgo bgp bgr bgs bgu bi- bib bid bie big bii bio bip bir bis biu bob bod boe bog boi boo bop bor bos bou bpb bpd bpe bpg bpi bpo bpp bpr bps bpu brb brd bre brg bri bro brp brr brs bru bsb bsd bse bsg bsi bso bsp bsr bss bsu bub bud bue bug bui buo bup bur bus buu dbb dbd dbe dbg dbi dbo dbp dbr dbs dbu ddb ddd dde ddg ddi ddo ddp ddr dds ddu de- deb ded dee deg dei deo dep der des deu dgd dge dgg dgi dgp dgr dgs dgu di- dib did die dig dii dio dip dir dis diu dob dod doe dog doi doo dop dor dos dou dpb dpd dpe dpg dpi dpo dpp dpr dps dpu drb drd dre drg dri dro drp drr drs dru dsb dsd dse dsg dsi dso dsp dsr dss dsu dub dud due dug dui duo dup dur dus ebb ebd ebe ebg ebi ebo ebp ebr ebs ebu ed- edb edd ede edg edi edo edp edr eds edu eeb eed eee eeg eeo eep eer ees egb egd ege egg egi ego egp egr egs egu eib eid eie eig eii eio eip eir eis eiu eo- eob eod eoe eog eoi eoo eop eor eos eou ep- epb epd epe epg epi epo epp epr eps epu erb erd ere erg eri ero erp err ers eru es- esb esd ese esg esi eso esp esr ess esu eu- eub eud eue eug eui eup eur eus g-d g-p gbd gbe gbg gbi gbo gbp gbr gbs gbu gdb gdd gde gdi gdo gdp gdr gds gdu ge- geb ged gee geg gei geo gep ger ges geu ggb ggd ggg ggi ggo ggp ggr ggs ggu gib gid gie gig gii gio gip gir gis giu gob god goe gog goi goo gop gor gos gou gpb gpd gpe gpg gpi gpo gpp gpr gps gpu grb grd gre grg gri gro grp grr grs gru gsb gsd gse gsg gsi gso gsp gsr gss gsu gu- gub gud gue gug gui guo gup gur gus guu i-d ibb ibd ibe ibg ibi ibo ibp ibr ibs ibu idb idd ide idg idi ido idp idr ids idu ie- ied iee ieg iei iep ier ies igb igd ige igg igi igo igp igr igs igu iib iid iie iii iio iip iir iis iiu io- iob iod ioe iog ioi ioo iop ior ios iou ipb ipd ipe ipg ipi ipo ipp ipr ips ipu ir- irb ird ire irg iri iro irp irr irs iru is- isb isd ise isg isi iso isp isr iss isu iu- iub iud iue iug iui iup iur ius o-i ob- obb obd obe obg obi obo obp obr obs obu odb odd ode odg odi odo odp odr ods odu oeb oed oee oeg oei oeo oep oer oes ogd oge ogg ogi ogo ogp ogs oib oid oie oii oio oip oir ois oiu oo- oob ood oog ooi ooo oop oor oos op- opb opd ope opg opi opo opp opr ops or- orb ord ore org ori oro orp orr ors oru os- osb osd ose osg osi oso osp osr oss osu ou- oud oue oui ouo oup our ous p-p pbb pbd pbe pbg pbi pbo pbp pbr pbs pbu pdb pdd pde pdg pdi pdo pdp pdr pds pdu peb ped pee peg pei peo pep per pes peu pgb pgd pge pgg pgi pgo pgp pgr pgs pib pid pie pig pii pio pip pir pis piu pob pod poe pog poi poo pop por pos pou ppb ppd ppe ppg ppi ppo ppp ppr pps ppu prb prd pre prg pri pro prp prr prs pru ps- psb psd pse psg psi pso psp psr pss psu pub pud pue pug pui pup pur pus puu rbb rbd rbe rbg rbi rbo rbp rbr rbs rbu rdb rdd rde rdg rdi rdo rdp rdr rds rdu re- reb red ree reg rei reo rep rer res reu rgb rgd rge rgg rgi rgo rgp rgr rgs rib rid rie rig rii rio rip rir ris rob rod roe rog roi roo rop ror ros rou rpb rpd rpe rpg rpi rpo rpp rpr rps rpu rrb rrd rrg rri rrp rrr rrs rru rsb rsd rse rsg rsi rso rsp rsr rss rsu rub rud rue rug rui ruo rup rur rus ruu sbb sbd sbe sbg sbi sbo sbp sbr sbs sbu sdb sdd sde sdg sdi sdo sdp sdr sds sdu se- seb sed see seg sei seo sep ser ses seu sgb sgd sge sgg sgi sgo sgp sgr sgs sgu sib sid sie sig sii sio sip sir sis siu sob sod soe sog soi soo sop sor sos sou spb spd spe spg spi spo spp spr sps spu sr- srb srd sre srg sri sro srp srr srs ss- ssb ssd sse ssg ssi sso ssp ssr sss ssu sub sud sue sug sui suo sup sur sus suu ubb ube ubg ubi ubo ubp ubr ubs ubu udb udd ude udg udi udo udp udr uds udu ueb ued uee ueg uei uep uer ues ugb uge ugg ugi ugo ugp ugr ugs ugu uib uid uie uig uii uio uip uir uis uiu uob uod uoe uog uoo uop uor uos up- upb upd upe upg upi upo upp upr ups upu ur- urb urd ure urg uri uro urp urr urs uru usb usd use usg usi uso usp usr uss usu uue uug uur uus uuu

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