-er b-p bbb bbd bbe bbg bbi bbn bbo bbp bbr bbt bdb bdd bde bdg bdi bdo bdp bdr bdt be- beb bed bee beg bei ben beo bep ber bet bgb bgd bge bgg bgi bgn bgo bgp bgr bgt bi- bib bid bie big bii bin bio bip bir bit bnb bnd bne bng bni bnn bno bnp bnr bnt bob bod boe bog boi bon boo bop bor bot bpb bpd bpe bpg bpi bpn bpo bpp bpr bpt brb brd bre brg bri brn bro brp brr brt btb btd bte btg bti btn bto btp btr btt dbb dbd dbe dbg dbi dbn dbo dbp dbr dbt ddb ddd dde ddg ddi ddn ddo ddp ddr ddt de- deb ded dee deg dei den deo dep der det dgd dge dgg dgi dgn dgp dgr dgt di- dib did die dig dii din dio dip dir dit dnb dnd dne dng dni dnn dno dnp dnr dnt dob dod doe dog doi don doo dop dor dot dpb dpd dpe dpg dpi dpn dpo dpp dpr dpt drb drd dre drg dri drn dro drp drr drt dtb dtd dte dtg dti dtn dto dtp dtr dtt ebb ebd ebe ebg ebi ebn ebo ebp ebr ebt ed- edb edd ede edg edi edn edo edp edr edt eeb eed eee eeg een eeo eep eer eet egb egd ege egg egi egn ego egp egr egt eib eid eie eig eii ein eio eip eir eit en- enb end ene eng eni enn eno enp enr ent eo- eob eod eoe eog eoi eon eoo eop eor eot ep- epb epd epe epg epi epn epo epp epr ept erb erd ere erg eri ern ero erp err ert etb etd ete etg eti etn eto etp etr ett g-d g-p gbd gbe gbg gbi gbn gbo gbp gbr gbt gdb gdd gde gdi gdn gdo gdp gdr gdt ge- geb ged gee geg gei gen geo gep ger get ggb ggd ggg ggi ggn ggo ggp ggr ggt gib gid gie gig gii gin gio gip gir git gnb gnd gne gni gnn gno gnp gnr gnt gob god goe gog goi gon goo gop gor got gpb gpd gpe gpg gpi gpn gpo gpp gpr gpt grb grd gre grg gri grn gro grp grr grt gtb gtd gte gtg gti gtn gto gtp gtr gtt i-d ibb ibd ibe ibg ibi ibn ibo ibp ibr ibt idb idd ide idg idi idn ido idp idr idt ie- ied iee ieg iei ien iep ier iet igb igd ige igg igi ign igo igp igr igt iib iid iie iii iin iio iip iir iit in- inb ind ine ing ini inn ino inp inr int io- iob iod ioe iog ioi ion ioo iop ior iot ipb ipd ipe ipg ipi ipn ipo ipp ipr ipt ir- irb ird ire irg iri irn iro irp irr irt itb itd ite itg iti itn ito itp itt n-i nbb nbd nbe nbg nbi nbn nbo nbp nbr nbt ndb ndd nde ndg ndi ndn ndo ndp ndr ndt ne- neb ned nee neg nei nen neo nep ner net ngb ngd nge ngg ngi ngn ngo ngp ngt nib nid nie nig nii nin nio nip nir nit nnb nne nng nni nnn nno nnp nnt no- nob nod noe nog noi non noo nop nor not npb npd npe npg npi npn npo npp npr npt nrb nrd nre nrg nri nrn nro nrp nrr nrt ntb ntd nte ntg nti ntn nto ntp ntr ntt o-i ob- obb obd obe obg obi obn obo obp obr obt odb odd ode odg odi odn odo odp odr odt oeb oed oee oeg oei oen oeo oep oer oet ogd oge ogg ogi ogn ogo ogp ogt oib oid oie oii oin oio oip oir oit on- onb ond one ong oni onn ono onp onr ont oo- oob ood oog ooi oon ooo oop oor oot op- opb opd ope opg opi opn opo opp opr opt or- orb ord ore org ori orn oro orp orr ort ot- otb otd ote otg oti otn oto otp otr ott p-p pbb pbd pbe pbg pbi pbn pbo pbp pbr pbt pdb pdd pde pdg pdi pdn pdo pdp pdr pdt peb ped pee peg pei pen peo pep per pet pgb pgd pge pgg pgi pgn pgo pgp pgr pgt pib pid pie pig pii pin pio pip pir pit pn- pnb pnd pne png pni pnn pno pnp pnr pnt pob pod poe pog poi pon poo pop por pot ppb ppd ppe ppg ppi ppn ppo ppp ppr ppt prb prd pre prg pri prn pro prp prr prt pt- ptb ptd pte ptg pti ptn pto ptp ptr ptt rbb rbd rbe rbg rbi rbn rbo rbp rbr rbt rdb rdd rde rdg rdi rdn rdo rdp rdr rdt re- reb red ree reg rei ren reo rep rer ret rgb rgd rge rgg rgi rgn rgo rgp rgr rgt rib rid rie rig rii rin rio rip rir rit rnb rnd rng rni rnn rno rnp rnr rnt rob rod roe rog roi ron roo rop ror rot rpb rpd rpe rpg rpi rpn rpo rpp rpr rpt rrb rrd rrg rri rrn rrp rrr rrt rtb rtd rte rtg rti rtn rto rtp rtr rtt tbb tbd tbe tbg tbi tbn tbo tbp tbr tbt tdb tdd tde tdg tdi tdn tdo tdp tdr tdt te- teb ted tee teg tei ten teo tep ter tet tgb tge tgg tgi tgn tgo tgp tgr tgt tib tid tie tig tii tin tio tip tir tit tnb tnd tne tng tni tnn tno tnp tnr tnt to- tob tod toe tog toi ton too top tor tot tpb tpd tpe tpg tpi tpn tpo tpp tpr tpt trb trd tre trg tri trn tro trp trr