-er -up b-p b-u bbb bbd bbe bbg bbi bbn bbp bbr bbu bdb bdd bde bdg bdi bdp bdr bdu be- beb bed bee beg bei ben bep ber beu bgb bgd bge bgg bgi bgn bgp bgr bgu bi- bib bid bie big bii bin bip bir biu bnb bnd bne bng bni bnn bnp bnr bnu bpb bpd bpe bpg bpi bpn bpp bpr bpu brb brd bre brg bri brn brp brr bru bub bud bue bug bui bun bup bur buu dbb dbd dbe dbg dbi dbn dbp dbr dbu ddb ddd dde ddg ddi ddn ddp ddr ddu de- deb ded dee deg dei den dep der deu dgd dge dgg dgi dgn dgp dgr dgu di- dib did die dig dii din dip dir diu dnb dnd dne dng dni dnn dnp dnr dpb dpd dpe dpg dpi dpn dpp dpr dpu drb drd dre drg dri drn drp drr dru dub dud due dug dui dun dup dur ebb ebd ebe ebg ebi ebn ebp ebr ebu ed- edb edd ede edg edi edn edp edr edu eeb eed eee eeg een eep eer egb egd ege egg egi egn egp egr egu eib eid eie eig eii ein eip eir eiu en- enb end ene eng eni enn enp enr enu ep- epb epd epe epg epi epn epp epr epu erb erd ere erg eri ern erp err eru eu- eub eud eue eug eui eun eup eur g-d g-p gbd gbe gbg gbi gbn gbp gbr gbu gdb gdd gde gdi gdn gdp gdr gdu ge- geb ged gee geg gei gen gep ger geu ggb ggd ggg ggi ggn ggp ggr ggu gib gid gie gig gii gin gip gir giu gnb gnd gne gni gnn gnp gnr gnu gpb gpd gpe gpg gpi gpn gpp gpr gpu grb grd gre grg gri grn grp grr gru gu- gub gud gue gug gui gun gup gur guu i-d ibb ibd ibe ibg ibi ibn ibp ibr ibu idb idd ide idg idi idn idp idr idu ie- ied iee ieg iei ien iep ier igb igd ige igg igi ign igp igr igu iib iid iie iii iin iip iir iiu in- inb ind ine ing ini inn inp inr inu ipb ipd ipe ipg ipi ipn ipp ipr ipu ir- irb ird ire irg iri irn irp irr iru iu- iub iud iue iug iui iup iur n-i nbb nbd nbe nbg nbi nbn nbp nbr nbu ndb ndd nde ndg ndi ndn ndp ndr ndu ne- neb ned nee neg nei nen nep ner neu ngb ngd nge ngg ngi ngn ngp ngu nib nid nie nig nii nin nip nir niu nnb nne nng nni nnn nnp nnu npb npd npe npg npi npn npp npr npu nrb nrd nre nrg nri nrn nrp nrr nru nub nud nue nug nui nun nup nur nuu p-p pbb pbd pbe pbg pbi pbn pbp pbr pbu pdb pdd pde pdg pdi pdn pdp pdr pdu peb ped pee peg pei pen pep per peu pgb pgd pge pgg pgi pgn pgp pgr pib pid pie pig pii pin pip pir piu pn- pnb pnd pne png pni pnn pnp pnr pnu ppb ppd ppe ppg ppi ppn ppp ppr ppu prb prd pre prg pri prn prp prr pru pub pud pue pug pui pun pup pur puu rbb rbd rbe rbg rbi rbn rbp rbr rbu rdb rdd rde rdg rdi rdn rdp rdr rdu re- reb red ree reg rei ren rep rer reu rgb rgd rge rgg rgi rgn rgp rgr rib rid rie rig rii rin rip rir rnb rnd rng rni rnn rnp rnr rnu rpb rpd rpe rpg rpi rpn rpp rpr rpu rrb rrd rrg rri rrn rrp rrr rru rub rud rue rug rui run rup rur ruu ubb ube ubg ubi ubn ubp ubr ubu udb udd ude udg udi udn udp udr udu ueb ued uee ueg uei uen uep uer ugb uge ugg ugi ugn ugp ugr ugu uib uid uie uig uii uin uip uir uiu un- unb und une ung uni unn unp unr unu up- upb upd upe upg upi upn upp upr upu ur- urb urd ure urg uri urn urp urr uru uue uug uun uur uuu