-er a-a a-i a-t aaa aad aae aag aai aan aap aar aat ad- ada add ade adg adi adn adp adr adt aea aed aee aeg aei aen aep aer aet ag- aga agd age agg agi agn agp agr agt ai- aia aid aie aig aii ain aip air ait an- ana and ane ang ani ann anp anr ant ap- apa apd ape apg api apn app apr apt ar- ara ard are arg ari arn arp arr art at- ata atd ate atg ati atn atp atr att daa dad dae dag dai dan dap dar dat dda ddd dde ddg ddi ddn ddp ddr ddt de- dea ded dee deg dei den dep der det dga dgd dge dgg dgi dgn dgp dgr dgt di- dia did die dig dii din dip dir dit dna dnd dne dng dni dnn dnp dnr dnt dpa dpd dpe dpg dpi dpn dpp dpr dpt dra drd dre drg dri drn drp drr drt dta dtd dte dtg dti dtn dtp dtr dtt eaa ead eae eag eai ean eap ear eat ed- eda edd ede edg edi edn edp edr edt eea eed eee eeg een eep eer eet ega egd ege egg egi egn egp egr egt eia eid eie eig eii ein eip eir eit en- ena end ene eng eni enn enp enr ent ep- epa epd epe epg epi epn epp epr ept era erd ere erg eri ern erp err ert eta etd ete etg eti etn etp etr ett g-d g-p gaa gad gae gag gai gan gap gar gat gda gdd gde gdi gdn gdp gdr gdt ge- gea ged gee geg gei gen gep ger get gga ggd ggg ggi ggn ggp ggr ggt gia gid gie gig gii gin gip gir git gna gnd gne gni gnn gnp gnr gnt gpa gpd gpe gpg gpi gpn gpp gpr gpt gra grd gre grg gri grn grp grr grt gta gtd gte gtg gti gtn gtp gtr gtt i-d ia- iaa iad iae iag iai ian iap iar iat ida idd ide idg idi idn idp idr idt ie- iea ied iee ieg iei ien iep ier iet iga igd ige igg igi ign igp igr igt iia iid iie iii iin iip iir iit in- ina ind ine ing ini inn inp inr int ipa ipd ipe ipg ipi ipn ipp ipr ipt ir- ira ird ire irg iri irn irp irr irt ita itd ite itg iti itn itp itt n-i naa nad nae nag nai nan nap nar nat nda ndd nde ndg ndi ndn ndp ndr ndt ne- nea ned nee neg nei nen nep ner net nga ngd nge ngg ngi ngn ngp ngt nia nid nie nig nii nin nip nir nit nna nne nng nni nnn nnp nnt npa npd npe npg npi npn npp npr npt nra nrd nre nrg nri nrn nrp nrr nrt nta ntd nte ntg nti ntn ntp ntr ntt p-p paa pad pae pag pai pan pap par pat pda pdd pde pdg pdi pdn pdp pdr pdt pea ped pee peg pei pen pep per pet pga pgd pge pgg pgi pgn pgp pgr pgt pia pid pie pig pii pin pip pir pit pn- pna pnd pne png pni pnn pnp pnr pnt ppa ppd ppe ppg ppi ppn ppp ppr ppt pra prd pre prg pri prn prp prr prt pt- pta ptd pte ptg pti ptn ptp ptr ptt ra- raa rad rae rag rai ran rap rar rat rda rdd rde rdg rdi rdn rdp rdr rdt re- rea red ree reg rei ren rep rer ret rga rgd rge rgg rgi rgn rgp rgr rgt ria rid rie rig rii rin rip rir rit rna rnd rng rni rnn rnp rnr rnt rpa rpd rpe rpg rpi rpn rpp rpr rpt rra rrd rrg rri rrn rrp rrr rrt rta rtd rte rtg rti rtn rtp rtr rtt taa tad tae tag tai tan tap tar tat tda tdd tde tdg tdi tdn tdp tdr tdt te- tea ted tee teg tei ten tep ter tet tga tge tgg tgi tgn tgp tgr tgt tia tid tie tig tii tin tip tir tit tna tnd tne tng tni tnn tnp tnr tnt tpa tpd tpe tpg tpi tpn tpp tpr tpt tra trd tre trg tri trn trp trr trt tta ttd tte ttg tti ttn ttp ttr ttt