-er a-a a-b a-i aaa aab aad aae aag aai aan aap aar aas ab- aba abb abd abe abg abi abn abp abr abs ad- ada adb add ade adg adi adn adp adr ads aea aeb aed aee aeg aei aen aep aer aes ag- aga agb agd age agg agi agn agp agr ags ai- aia aib aid aie aig aii ain aip air ais an- ana anb and ane ang ani ann anp anr ans ap- apa apb apd ape apg api apn app apr aps ar- ara arb ard are arg ari arn arp arr ars as- asa asb asd ase asg asi asn asp asr ass b-p baa bab bad bae bag bai ban bap bar bas bba bbb bbd bbe bbg bbi bbn bbp bbr bbs bda bdb bdd bde bdg bdi bdp bdr bds be- bea beb bed bee beg bei ben bep ber bes bga bgb bgd bge bgg bgi bgn bgp bgr bgs bi- bia bib bid bie big bii bin bip bir bis bna bnb bnd bne bng bni bnn bnp bnr bns bpa bpb bpd bpe bpg bpi bpn bpp bpr bps bra brb brd bre brg bri brn brp brr brs bsa bsb bsd bse bsg bsi bsn bsp bsr bss daa dab dad dae dag dai dan dap dar das dba dbb dbd dbe dbg dbi dbn dbp dbr dbs dda ddb ddd dde ddg ddi ddn ddp ddr dds de- dea deb ded dee deg dei den dep der des dga dgd dge dgg dgi dgn dgp dgr dgs di- dia dib did die dig dii din dip dir dis dna dnb dnd dne dng dni dnn dnp dnr dns dpa dpb dpd dpe dpg dpi dpn dpp dpr dps dra drb drd dre drg dri drn drp drr drs dsa dsb dsd dse dsg dsi dsn dsp dsr dss eaa eab ead eae eag eai ean eap ear eas eba ebb ebd ebe ebg ebi ebn ebp ebr ebs ed- eda edb edd ede edg edi edn edp edr eds eea eeb eed eee eeg een eep eer ees ega egb egd ege egg egi egn egp egr egs eia eib eid eie eig eii ein eip eir eis en- ena enb end ene eng eni enn enp enr ens ep- epa epb epd epe epg epi epn epp epr eps era erb erd ere erg eri ern erp err ers es- esa esb esd ese esg esi esn esp esr ess g-d g-p gaa gab gad gae gag gai gan gap gar gas gba gbd gbe gbg gbi gbn gbp gbr gbs gda gdb gdd gde gdi gdn gdp gdr gds ge- gea geb ged gee geg gei gen gep ger ges gga ggb ggd ggg ggi ggn ggp ggr ggs gia gib gid gie gig gii gin gip gir gis gna gnb gnd gne gni gnn gnp gnr gns gpa gpb gpd gpe gpg gpi gpn gpp gpr gps gra grb grd gre grg gri grn grp grr grs gsa gsb gsd gse gsg gsi gsn gsp gsr gss i-d ia- iaa iab iad iae iag iai ian iap iar ias iba ibb ibd ibe ibg ibi ibn ibp ibr ibs ida idb idd ide idg idi idn idp idr ids ie- iea ied iee ieg iei ien iep ier ies iga igb igd ige igg igi ign igp igr igs iia iib iid iie iii iin iip iir iis in- ina inb ind ine ing ini inn inp inr ins ipa ipb ipd ipe ipg ipi ipn ipp ipr ips ir- ira irb ird ire irg iri irn irp irr irs is- isa isb isd ise isg isi isn isp isr iss n-i naa nab nad nae nag nai nan nap nar nas nba nbb nbd nbe nbg nbi nbn nbp nbr nbs nda ndb ndd nde ndg ndi ndn ndp ndr nds ne- nea neb ned nee neg nei nen nep ner nes nga ngb ngd nge ngg ngi ngn ngp ngs nia nib nid nie nig nii nin nip nir nis nna nnb nne nng nni nnn nnp nns npa npb npd npe npg npi npn npp npr nps nra nrb nrd nre nrg nri nrn nrp nrr nrs nsa nsb nsd nse nsg nsi nsn nsp nsr nss p-p paa pab pad pae pag pai pan pap par pas pba pbb pbd pbe pbg pbi pbn pbp pbr pbs pda pdb pdd pde pdg pdi pdn pdp pdr pds pea peb ped pee peg pei pen pep per pes pga pgb pgd pge pgg pgi pgn pgp pgr pgs pia pib pid pie pig pii pin pip pir pis pn- pna pnb pnd pne png pni pnn pnp pnr pns ppa ppb ppd ppe ppg ppi ppn ppp ppr pps pra prb prd pre prg pri prn prp prr prs ps- psa psb psd pse psg psi psn psp psr pss ra- raa rab rad rae rag rai ran rap rar ras rba rbb rbd rbe rbg rbi rbn rbp rbr rbs rda rdb rdd rde rdg rdi rdn rdp rdr rds re- rea reb red ree reg rei ren rep rer res rga rgb rgd rge rgg rgi rgn rgp rgr rgs ria rib rid rie rig rii rin rip rir ris rna rnb rnd rng rni rnn rnp rnr rns rpa rpb rpd rpe rpg rpi rpn rpp rpr rps rra rrb rrd rrg rri rrn rrp rrr rrs rsa rsb rsd rse rsg rsi rsn rsp rsr rss saa sab sad sae sag sai san sap sar sas sba sbb sbd sbe sbg sbi sbn sbp sbr sbs sda sdb sdd sde sdg sdi sdn sdp sdr sds se- sea seb sed see seg sei sen sep ser ses sga sgb sgd sge sgg sgi sgn sgp sgr sgs sia sib sid sie sig sii sin sip sir sis sna snb snd sne sng sni snn snp snr sns spa spb spd spe spg spi