-er ddd dde ddg ddi ddn ddo ddp ddr ddt de- ded dee deg dei den deo dep der det dgd dge dgg dgi dgn dgp dgr dgt di- did die dig dii din dio dip dir dit dnd dne dng dni dnn dno dnp dnr dnt dod doe dog doi don doo dop dor dot dpd dpe dpg dpi dpn dpo dpp dpr dpt drd dre drg dri drn dro drp drr drt dtd dte dtg dti dtn dto dtp dtr dtt ed- edd ede edg edi edn edo edp edr edt eed eee eeg een eeo eep eer eet egd ege egg egi egn ego egp egr egt eid eie eig eii ein eio eip eir eit en- end ene eng eni enn eno enp enr ent eo- eod eoe eog eoi eon eoo eop eor eot ep- epd epe epg epi epn epo epp epr ept erd ere erg eri ern ero erp err ert etd ete etg eti etn eto etp etr ett g-d g-p gdd gde gdi gdn gdo gdp gdr gdt ge- ged gee geg gei gen geo gep ger get ggd ggg ggi ggn ggo ggp ggr ggt gid gie gig gii gin gio gip gir git gnd gne gni gnn gno gnp gnr gnt god goe gog goi gon goo gop gor got gpd gpe gpg gpi gpn gpo gpp gpr gpt grd gre grg gri grn gro grp grr grt gtd gte gtg gti gtn gto gtp gtr gtt i-d idd ide idg idi idn ido idp idr idt ie- ied iee ieg iei ien iep ier iet igd ige igg igi ign igo igp igr igt iid iie iii iin iio iip iir iit in- ind ine ing ini inn ino inp inr int io- iod ioe iog ioi ion ioo iop ior iot ipd ipe ipg ipi ipn ipo ipp ipr ipt ir- ird ire irg iri irn iro irp irr irt itd ite itg iti itn ito itp itt n-i ndd nde ndg ndi ndn ndo ndp ndr ndt ne- ned nee neg nei nen neo nep ner net ngd nge ngg ngi ngn ngo ngp ngt nid nie nig nii nin nio nip nir nit nne nng nni nnn nno nnp nnt no- nod noe nog noi non noo nop nor not npd npe npg npi npn npo npp npr npt nrd nre nrg nri nrn nro nrp nrr nrt ntd nte ntg nti ntn nto ntp ntr ntt o-i odd ode odg odi odn odo odp odr odt oed oee oeg oei oen oeo oep oer oet ogd oge ogg ogi ogn ogo ogp ogt oid oie oii oin oio oip oir oit on- ond one ong oni onn ono onp onr ont oo- ood oog ooi oon ooo oop oor oot op- opd ope opg opi opn opo opp opr opt or- ord ore org ori orn oro orp orr ort ot- otd ote otg oti otn oto otp otr ott p-p pdd pde pdg pdi pdn pdo pdp pdr pdt ped pee peg pei pen peo pep per pet pgd pge pgg pgi pgn pgo pgp pgr pgt pid pie pig pii pin pio pip pir pit pn- pnd pne png pni pnn pno pnp pnr pnt pod poe pog poi pon poo pop por pot ppd ppe ppg ppi ppn ppo ppp ppr ppt prd pre prg pri prn pro prp prr prt pt- ptd pte ptg pti ptn pto ptp ptr ptt rdd rde rdg rdi rdn rdo rdp rdr rdt re- red ree reg rei ren reo rep rer ret rgd rge rgg rgi rgn rgo rgp rgr rgt rid rie rig rii rin rio rip rir rit rnd rng rni rnn rno rnp rnr rnt rod roe rog roi ron roo rop ror rot rpd rpe rpg rpi rpn rpo rpp rpr rpt rrd rrg rri rrn rrp rrr rrt rtd rte rtg rti rtn rto rtp rtr rtt tdd tde tdg tdi tdn tdo tdp tdr tdt te- ted tee teg tei ten teo tep ter tet tge tgg tgi tgn tgo tgp tgr tgt tid tie tig tii tin tio tip tir tit tnd tne tng tni tnn tno tnp tnr tnt to- tod toe tog toi ton too top tor tot tpd tpe tpg tpi tpn tpo tpp tpr tpt trd tre trg tri trn tro trp trr trt ttd tte ttg tti ttn tto ttp ttr ttt