-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aam aao aar aas aat ab- aba abb abc abe abf abi abm abo abr abs abt ac- aca acb acc ace acf aci acm aco acr acs act aea aeb aec aee aef aei aem aeo aer aes aet af- afa afb afc afe aff afi afm afo afr afs aft ai- aia aib aic aie aif aii aim aio air ais ait ama amb amc ame amf ami amm amo amr ams amt aoa aob aoc aoe aof aoi aom aoo aor aos aot ar- ara arb arc are arf ari arm aro arr ars art as- asa asb asc ase asf asi asm aso asr ass ast at- ata atb atc ate atf ati atm ato atr ats att baa bab bac bae baf bai bam bao bar bas bat bba bbb bbc bbe bbf bbi bbm bbo bbr bbs bbt bca bcb bcc bce bcf bci bcm bco bcr bcs bct be- bea beb bec bee bef bei bem beo ber bes bet bfa bfb bfc bfe bff bfi bfm bfo bfr bfs bft bi- bia bib bic bie bif bii bim bio bir bis bit bma bmb bmc bme bmf bmi bmm bmo bmr bms bmt boa bob boc boe bof boi bom boo bor bos bot bra brb bre brf bri brm bro brr brs brt bsa bsb bsc bse bsf bsi bsm bso bsr bss bst bta btb btc bte btf bti btm bto btr bts btt c-- caa cab cac cae caf cai cam cao car cas cat cba cbb cbc cbe cbf cbi cbm cbo cbr cbs cbt cca ccb ccc cce ccf cci ccm cco ccr ccs cct ce- cea ceb cec cee cef cei cem ceo cer ces cet cfa cfb cfc cfe cff cfi cfm cfo cfr cfs cft ci- cia cib cic cie cif cii cim cio cir cis cit cma cmb cmc cme cmf cmi cmm cmo cmr cms cmt co- coa cob coc coe cof coi com coo cor cos cot cra crb crc cre crf cri crm cro crr crs crt csa csb csc cse csf csi csm cso csr css cst cta ctb ctc cte ctf cti ctm cto ctr cts ctt eaa eab eac eae eaf eai eam eao ear eas eat eba ebb ebc ebe ebf ebi ebm ebo ebr ebs ebt ec- eca ecb ecc ece ecf eci ecm eco ecr ecs ect eea eeb eec eee eef eem eeo eer ees eet ef- efa efb efc efe eff efi efm efo efr efs eft eia eib eic eie eif eii eim eio eir eis eit em- ema emb emc eme emf emi emm emo emr ems emt eo- eoa eob eoc eoe eof eoi eom eoo eor eos eot era erb erc ere erf eri erm ero err ers ert es- esa esb esc ese esf esi esm eso esr ess est eta etb etc ete etf eti etm eto etr ets ett faa fab fac fae faf fai fam fao far fas fat fba fbb fbc fbe fbf fbi fbm fbo fbr fbs fbt fca fcb fcc fce fcf fci fcm fco fcr fcs fct fea feb fec fee fef fei fem feo fer fes fet ffa ffc ffe fff ffi ffm ffo ffr ffs fft fia fib fic fie fif fii fim fir fis fit fma fmb fmc fme fmf fmi fmm fmo fmr fms fmt foa fob foc foe fof foi fom foo for fos fot fra frb frc fre frf fri frm fro frr frs frt fsa fsb fsc fse fsf fsi fsm fso fsr fss fst fta ftb ftc fte ftf fti ftm fto ftr fts ftt i-f ia- iaa iab iac iae iaf iai iam iao iar ias iat iba ibb ibc ibe ibf ibi ibm ibo ibr ibs ibt ica icb icc ice icf ici icm ico icr ics ict ie- iea iec iee ief iei iem ier ies iet ifa ifb ifc ife iff ifi ifm ifo ifr ifs ift iia iib iic iie iif iii iim iio iir iis iit im- ima imb imc ime imf imi imm imo ims imt io- ioa iob ioc ioe iof ioi iom ioo ior ios iot ir- ira irb irc ire irf iri irm iro irr irs irt is- isa isb isc ise isf isi ism iso isr iss ist ita itb itc ite itf iti itm ito its itt m-f m-o m-r maa mab mac mae maf mai mam mao mar mas mat mba mbb mbc mbe mbf mbi mbm mbo mbr mbs mbt mc- mca mcb mcc mce mcf mci mcm mco mcr mcs mct mea meb mec mee mef mei mem meo mer mes met mfa mfb mfc mfe mff mfi mfm mfo mfr mfs mft mi- mia mib mic mie mif mii mim mio mir mis mit mma mmb mmc mme mmf mmi mmm mmo mmr mms mmt moa mob moc moe mof moi mom moo mor mos mot mra mrb mrc mre mrf mri mrm mro mrr mrs mrt msa msb msc mse msf msi msm mso msr mss mst mta mtb mtc mte mtf mti mtm mto mtr mts mtt o-i oaa oab oac oae oaf oai oam oao oar oas oat ob- oba obb obc obe obf obi obm obo obr obs obt oc- oca ocb occ ocf oci ocm oco ocr ocs oct oea oeb oec oee oef oei oem oeo oer oes oet of- ofa ofb ofc ofe off ofi ofm ofo ofr ofs oft oia oib oic oie oif oii oim oio oir ois oit om- oma omb omc ome omf omi omm omo omr oms omt oo- ooa oob ooc oof ooi oom ooo oor oos oot or- ora orb orc ore orf ori orm oro orr ors ort os- osa osb osc ose osf osi osm oso osr oss ost ot- ota otb otc ote otf oti otm