-er -up b-p b-u bbb bbd bbe bbg bbi bbo bbp bbr bbt bbu bdb bdd bde bdg bdi bdo bdp bdr bdt bdu be- beb bed bee beg bei beo bep ber bet beu bgb bgd bge bgg bgi bgo bgp bgr bgt bgu bi- bib bid bie big bii bio bip bir bit biu bob bod boe bog boi boo bop bor bot bou bpb bpd bpe bpg bpi bpo bpp bpr bpt bpu brb brd bre brg bri bro brp brr brt bru btb btd bte btg bti bto btp btr btt btu bub bud bue bug bui buo bup bur but buu dbb dbd dbe dbg dbi dbo dbp dbr dbt dbu ddb ddd dde ddg ddi ddo ddp ddr ddt ddu de- deb ded dee deg dei deo dep der det deu dgd dge dgg dgi dgp dgr dgt dgu di- dib did die dig dii dio dip dir dit diu dob dod doe dog doi doo dop dor dot dou dpb dpd dpe dpg dpi dpo dpp dpr dpt dpu drb drd dre drg dri dro drp drr drt dru dtb dtd dte dtg dti dto dtp dtr dtt dtu dub dud due dug dui duo dup dur dut ebb ebd ebe ebg ebi ebo ebp ebr ebt ebu ed- edb edd ede edg edi edo edp edr edt edu eeb eed eee eeg eeo eep eer eet egb egd ege egg egi ego egp egr egt egu eib eid eie eig eii eio eip eir eit eiu eo- eob eod eoe eog eoi eoo eop eor eot eou ep- epb epd epe epg epi epo epp epr ept epu erb erd ere erg eri ero erp err ert eru etb etd ete etg eti eto etp etr ett etu eu- eub eud eue eug eui eup eur eut g-d g-p gbd gbe gbg gbi gbo gbp gbr gbt gbu gdb gdd gde gdi gdo gdp gdr gdt gdu ge- geb ged gee geg gei geo gep ger get geu ggb ggd ggg ggi ggo ggp ggr ggt ggu gib gid gie gig gii gio gip gir git giu gob god goe gog goi goo gop gor got gou gpb gpd gpe gpg gpi gpo gpp gpr gpt gpu grb grd gre grg gri gro grp grr grt gru gtb gtd gte gtg gti gto gtp gtr gtt gtu gu- gub gud gue gug gui guo gup gur gut guu i-d ibb ibd ibe ibg ibi ibo ibp ibr ibt ibu idb idd ide idg idi ido idp idr idt idu ie- ied iee ieg iei iep ier iet igb igd ige igg igi igo igp igr igt igu iib iid iie iii iio iip iir iit iiu io- iob iod ioe iog ioi ioo iop ior iot iou ipb ipd ipe ipg ipi ipo ipp ipr ipt ipu ir- irb ird ire irg iri iro irp irr irt iru itb itd ite itg iti ito itp itt itu iu- iub iud iue iug iui iup iur iut o-i ob- obb obd obe obg obi obo obp obr obt obu odb odd ode odg odi odo odp odr odt odu oeb oed oee oeg oei oeo oep oer oet ogd oge ogg ogi ogo ogp ogt oib oid oie oii oio oip oir oit oiu oo- oob ood oog ooi ooo oop oor oot op- opb opd ope opg opi opo opp opr opt or- orb ord ore org ori oro orp orr ort oru ot- otb otd ote otg oti oto otp otr ott otu ou- oud oue oui ouo oup our out p-p pbb pbd pbe pbg pbi pbo pbp pbr pbt pbu pdb pdd pde pdg pdi pdo pdp pdr pdt pdu peb ped pee peg pei peo pep per pet peu pgb pgd pge pgg pgi pgo pgp pgr pgt pib pid pie pig pii pio pip pir pit piu pob pod poe pog poi poo pop por pot pou ppb ppd ppe ppg ppi ppo ppp ppr ppt ppu prb prd pre prg pri pro prp prr prt pru pt- ptb ptd pte ptg pti pto ptp ptr ptt ptu pub pud pue pug pui pup pur put puu rbb rbd rbe rbg rbi rbo rbp rbr rbt rbu rdb rdd rde rdg rdi rdo rdp rdr rdt rdu re- reb red ree reg rei reo rep rer ret reu rgb rgd rge rgg rgi rgo rgp rgr rgt rib rid rie rig rii rio rip rir rit rob rod roe rog roi roo rop ror rot rou rpb rpd rpe rpg rpi rpo rpp rpr rpt rpu rrb rrd rrg rri rrp rrr rrt rru rtb rtd rte rtg rti rto rtp rtr rtt rtu rub rud rue rug rui ruo rup rur rut ruu tbb tbd tbe tbg tbi tbo tbp tbr tbt tbu tdb tdd tde tdg tdi tdo tdp tdr tdt tdu te- teb ted tee teg tei teo tep ter tet teu tgb tge tgg tgi tgo tgp tgr tgt tgu tib tid tie tig tii tio tip tir tit tiu to- tob tod toe tog toi too top tor tot tou tpb tpd tpe tpg tpi tpo tpp tpr tpt tpu trb trd tre trg tri tro trp trr trt tru ttb ttd tte ttg tti tto ttp ttr ttt ttu tub tud tue tug tui tuo tup tur tut tuu ubb ube ubg ubi ubo ubp ubr ubt ubu udb udd ude udg udi udo udp udr udt udu ueb ued uee ueg uei uep uer uet ugb uge ugg ugi ugo ugp ugr ugt ugu uib uid uie uig uii uio uip uir uit uiu uob uod uoe uog uoo uop uor uot up- upb upd upe upg upi upo upp upr upt upu ur- urb urd ure urg uri uro urp urr urt uru utb utd ute uti uto utp utr utt utu uue uug uur uut uuu