-er a-a a-b a-i a-t aaa aab aae aag aai aam aan aap aar aas aat ab- aba abb abe abg abi abm abn abp abr abs abt aea aeb aee aeg aei aem aen aep aer aes aet ag- aga agb age agg agi agm agn agp agr ags agt ai- aia aib aie aig aii aim ain aip air ais ait ama amb ame amg ami amm amn amp amr ams amt an- ana anb ane ang ani anm ann anp anr ans ant ap- apa apb ape apg api apm apn app apr aps apt ar- ara arb are arg ari arm arn arp arr ars art as- asa asb ase asg asi asm asn asp asr ass ast at- ata atb ate atg ati atm atn atp atr ats att b-p baa bab bae bag bai bam ban bap bar bas bat bba bbb bbe bbg bbi bbm bbn bbp bbr bbs bbt be- bea beb bee beg bei bem ben bep ber bes bet bga bgb bge bgg bgi bgm bgn bgp bgr bgs bgt bi- bia bib bie big bii bim bin bip bir bis bit bma bmb bme bmg bmi bmm bmn bmp bmr bms bmt bna bnb bne bng bni bnn bnp bnr bns bnt bpa bpb bpe bpg bpi bpm bpn bpp bpr bps bpt bra brb bre brg bri brm brn brp brr brs brt bsa bsb bse bsg bsi bsm bsn bsp bsr bss bst bta btb bte btg bti btm btn btp btr bts btt eaa eab eae eag eai eam ean eap ear eas eat eba ebb ebe ebg ebi ebm ebn ebp ebr ebs ebt eea eeb eee eeg eem een eep eer ees eet ega egb ege egg egi egm egn egp egr egs egt eia eib eie eig eii eim ein eip eir eis eit em- ema emb eme emg emi emm emn emp emr ems emt en- ena enb ene eng eni enm enn enp enr ens ent ep- epa epb epe epg epi epm epn epp epr eps ept era erb ere erg eri erm ern erp err ers ert es- esa esb ese esg esi esm esn esp esr ess est eta etb ete etg eti etm etn etp etr ets ett g-p gaa gab gae gag gai gam gan gap gar gas gat gba gbe gbg gbi gbm gbn gbp gbr gbs gbt ge- gea geb gee geg gei gem gen gep ger ges get gga ggb ggg ggi ggm ggn ggp ggr ggs ggt gia gib gie gig gii gim gin gip gir gis git gma gmb gme gmg gmi gmm gmn gmp gmr gms gmt gna gnb gne gni gnm gnn gnp gnr gns gnt gpa gpb gpe gpg gpi gpm gpn gpp gpr gps gpt gra grb gre grg gri grm grn grp grr grs grt gsa gsb gse gsg gsi gsm gsn gsp gsr gss gst gta gtb gte gtg gti gtm gtn gtp gtr gts gtt ia- iaa iab iae iag iai iam ian iap iar ias iat iba ibb ibe ibg ibi ibm ibn ibp ibr ibs ibt ie- iea iee ieg iei iem ien iep ier ies iet iga igb ige igg igi igm ign igp igr igs igt iia iib iie iii iim iin iip iir iis iit im- ima imb ime img imi imm imn imp ims imt in- ina inb ine ing ini inm inn inp inr ins int ipa ipb ipe ipg ipi ipm ipn ipp ipr ips ipt ir- ira irb ire irg iri irm irn irp irr irs irt is- isa isb ise isg isi ism isn isp isr iss ist ita itb ite itg iti itm itn itp its itt m-r maa mab mae mag mai mam man map mar mas mat mba mbb mbe mbg mbi mbm mbp mbr mbs mbt mea meb mee meg mei mem men mep mer mes met mga mgb mge mgi mgm mgn mgp mgr mgs mgt mi- mia mib mie mig mii mim min mip mir mis mit mma mmb mme mmg mmi mmm mmn mmp mmr mms mmt mna mnb mne mng mni mnm mnn mnp mnr mns mnt mpa mpb mpe mpg mpi mpm mpn mpp mpr mps mpt mra mrb mre mrg mri mrm mrn mrp mrr mrs mrt msa msb mse msg msi msm msn msp msr mss mst mta mtb mte mtg mti mtm mtn mtp mtr mts mtt n-i naa nab nae nag nai nam nan nap nar nas nat nba nbb nbe nbg nbi nbm nbn nbp nbr nbs nbt ne- nea neb nee neg nei nem nen nep ner nes net nga ngb nge ngg ngi ngm ngn ngp ngs ngt nia nib nie nig nii nim nin nip nir nis nit nma nmb nme nmg nmi nmm nmn nmp nmr nms nmt nna nnb nne nng nni nnm nnn nnp nns nnt npa npb npe npg npi npm npn npp npr nps npt nra nrb nre nrg nri nrm nrn nrp nrr nrs nrt nsa nsb nse nsg nsi nsm nsn nsp nsr nss nst nta ntb nte ntg nti ntm ntn ntp ntr nts ntt p-p paa pab pae pag pai pam pan pap par pas pat pba pbb pbe pbg pbi pbm pbn pbp pbr pbs pbt pea peb pee peg pei pem pen pep per pes pet pga pgb pge pgg pgi pgm pgn pgp pgr pgs pgt pia pib pie pig pii pim pin pip pir pis pit pma pmb pme pmg pmi pmm pmn pmp pmr pms pmt pn- pna pnb pne png pni pnm pnn pnp pnr pns pnt ppa ppb ppe ppg ppi ppm ppn ppp ppr pps ppt pra prb pre prg pri prm prn prp prr prs prt ps- psa psb pse psg psi psm psn psp psr pss pst pt- pta ptb pte ptg pti ptm ptn ptp ptr pts ptt ra- raa rab rae rag rai ram ran rap