-er a-a a-b a-i a-t aaa aab aad aae aag aai aan aap aar aas aat ab- aba abb abd abe abg abi abn abp abr abs abt ad- ada adb add ade adg adi adn adp adr ads adt aea aeb aed aee aeg aei aen aep aer aes aet ag- aga agb agd age agg agi agn agp agr ags agt ai- aia aib aid aie aig aii ain aip air ais ait an- ana anb and ane ang ani ann anp anr ans ant ap- apa apb apd ape apg api apn app apr aps apt ar- ara arb ard are arg ari arn arp arr ars art as- asa asb asd ase asg asi asn asp asr ass ast at- ata atb atd ate atg ati atn atp atr ats att b-p baa bab bad bae bag bai ban bap bar bas bat bba bbb bbd bbe bbg bbi bbn bbp bbr bbs bbt bda bdb bdd bde bdg bdi bdp bdr bds bdt be- bea beb bed bee beg bei ben bep ber bes bet bga bgb bgd bge bgg bgi bgn bgp bgr bgs bgt bi- bia bib bid bie big bii bin bip bir bis bit bna bnb bnd bne bng bni bnn bnp bnr bns bnt bpa bpb bpd bpe bpg bpi bpn bpp bpr bps bpt bra brb brd bre brg bri brn brp brr brs brt bsa bsb bsd bse bsg bsi bsn bsp bsr bss bst bta btb btd bte btg bti btn btp btr bts btt daa dab dad dae dag dai dan dap dar das dat dba dbb dbd dbe dbg dbi dbn dbp dbr dbs dbt dda ddb ddd dde ddg ddi ddn ddp ddr dds ddt de- dea deb ded dee deg dei den dep der des det dga dgd dge dgg dgi dgn dgp dgr dgs dgt di- dia dib did die dig dii din dip dir dis dit dna dnb dnd dne dng dni dnn dnp dnr dns dnt dpa dpb dpd dpe dpg dpi dpn dpp dpr dps dpt dra drb drd dre drg dri drn drp drr drs drt dsa dsb dsd dse dsg dsi dsn dsp dsr dss dst dta dtb dtd dte dtg dti dtn dtp dtr dts dtt eaa eab ead eae eag eai ean eap ear eas eat eba ebb ebd ebe ebg ebi ebn ebp ebr ebs ebt ed- eda edb edd ede edg edi edn edp edr eds edt eea eeb eed eee eeg een eep eer ees eet ega egb egd ege egg egi egn egp egr egs egt eia eib eid eie eig eii ein eip eir eis eit en- ena enb end ene eng eni enn enp enr ens ent ep- epa epb epd epe epg epi epn epp epr eps ept era erb erd ere erg eri ern erp err ers ert es- esa esb esd ese esg esi esn esp esr ess est eta etb etd ete etg eti etn etp etr ets ett g-d g-p gaa gab gad gae gag gai gan gap gar gas gat gba gbd gbe gbg gbi gbn gbp gbr gbs gbt gda gdb gdd gde gdi gdn gdp gdr gds gdt ge- gea geb ged gee geg gei gen gep ger ges get gga ggb ggd ggg ggi ggn ggp ggr ggs ggt gia gib gid gie gig gii gin gip gir gis git gna gnb gnd gne gni gnn gnp gnr gns gnt gpa gpb gpd gpe gpg gpi gpn gpp gpr gps gpt gra grb grd gre grg gri grn grp grr grs grt gsa gsb gsd gse gsg gsi gsn gsp gsr gss gst gta gtb gtd gte gtg gti gtn gtp gtr gts gtt i-d ia- iaa iab iad iae iag iai ian iap iar ias iat iba ibb ibd ibe ibg ibi ibn ibp ibr ibs ibt ida idb idd ide idg idi idn idp idr ids idt ie- iea ied iee ieg iei ien iep ier ies iet iga igb igd ige igg igi ign igp igr igs igt iia iib iid iie iii iin iip iir iis iit in- ina inb ind ine ing ini inn inp inr ins int ipa ipb ipd ipe ipg ipi ipn ipp ipr ips ipt ir- ira irb ird ire irg iri irn irp irr irs irt is- isa isb isd ise isg isi isn isp isr iss ist ita itb itd ite itg iti itn itp its itt n-i naa nab nad nae nag nai nan nap nar nas nat nba nbb nbd nbe nbg nbi nbn nbp nbr nbs nbt nda ndb ndd nde ndg ndi ndn ndp ndr nds ndt ne- nea neb ned nee neg nei nen nep ner nes net nga ngb ngd nge ngg ngi ngn ngp ngs ngt nia nib nid nie nig nii nin nip nir nis nit nna nnb nne nng nni nnn nnp nns nnt npa npb npd npe npg npi npn npp npr nps npt nra nrb nrd nre nrg nri nrn nrp nrr nrs nrt nsa nsb nsd nse nsg nsi nsn nsp nsr nss nst nta ntb ntd nte ntg nti ntn ntp ntr nts ntt p-p paa pab pad pae pag pai pan pap par pas pat pba pbb pbd pbe pbg pbi pbn pbp pbr pbs pbt pda pdb pdd pde pdg pdi pdn pdp pdr pds pdt pea peb ped pee peg pei pen pep per pes pet pga pgb pgd pge pgg pgi pgn pgp pgr pgs pgt pia pib pid pie pig pii pin pip pir pis pit pn- pna pnb pnd pne png pni pnn pnp pnr pns pnt ppa ppb ppd ppe ppg ppi ppn ppp ppr pps ppt pra prb prd pre prg pri prn prp prr prs prt ps- psa psb psd pse psg psi psn psp psr pss pst pt- pta ptb ptd pte ptg pti ptn ptp ptr pts ptt ra- raa rab rad rae rag rai