-ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aam aao aas aat ab- aba abb abc abd abe abi abm abo abs abt ac- aca acb acc acd ace aci acm aco acs act ad- ada adb adc add ade adi adm ado ads adt aea aeb aec aed aee aei aem aeo aes aet ai- aia aib aic aid aie aii aim aio ais ait ama amb amc amd ame ami amm amo ams amt aoa aob aoc aod aoe aoi aom aoo aos aot as- asa asb asc asd ase asi asm aso ass ast at- ata atb atc atd ate ati atm ato ats att baa bab bac bad bae bai bam bao bas bat bba bbb bbc bbd bbe bbi bbm bbo bbs bbt bca bcb bcc bcd bce bci bcm bco bcs bct bda bdb bdc bdd bde bdi bdm bdo bds bdt be- bea beb bec bed bee bei bem beo bes bet bi- bia bib bic bid bie bii bim bio bis bit bma bmb bmc bmd bme bmi bmm bmo bms bmt boa bob boc bod boe boi bom boo bos bot bsa bsb bsc bsd bse bsi bsm bso bss bst bta btb btc btd bte bti btm bto bts btt c-- caa cab cac cad cae cai cam cao cas cat cba cbb cbc cbd cbe cbi cbm cbo cbs cbt cca ccb ccc ccd cce cci ccm cco ccs cct cda cdb cdc cdd cde cdi cdm cdo cds cdt ce- cea ceb cec ced cee cei cem ceo ces cet ci- cia cib cic cid cie cii cim cio cis cit cma cmb cmc cmd cme cmi cmm cmo cms cmt co- coa cob coc cod coe coi com coo cos cot csa csb csc csd cse csi csm cso css cst cta ctb ctc ctd cte cti ctm cto cts ctt daa dab dac dad dae dai dam dao das dat dba dbb dbc dbd dbe dbi dbm dbo dbs dbt dca dcb dcc dcd dce dci dcm dco dcs dct dda ddb ddc ddd dde ddi ddm ddo dds ddt de- dea deb dec ded dee dei dem deo des det di- dia dib dic did die dii dim dio dis dit dma dmb dmc dmd dme dmi dmm dmo dms dmt doa dob doc dod doe doi dom doo dos dot dsa dsb dsc dsd dse dsi dsm dso dss dst dta dtb dtc dtd dte dti dtm dto dts dtt eaa eab eac ead eae eai eam eao eas eat eba ebb ebc ebd ebe ebi ebm ebo ebs ebt ec- eca ecb ecc ecd ece eci ecm eco ecs ect ed- eda edb edc edd ede edi edm edo eds edt eea eeb eec eed eee eem eeo ees eet eia eib eic eid eie eii eim eio eis eit em- ema emb emc emd eme emi emm emo ems emt eo- eoa eob eoc eod eoe eoi eom eoo eos eot es- esa esb esc esd ese esi esm eso ess est eta etb etc etd ete eti etm eto ets ett i-d ia- iaa iab iac iad iae iai iam iao ias iat iba ibb ibc ibd ibe ibi ibm ibo ibs ibt ica icb icc icd ice ici icm ico ics ict ida idb idc idd ide idi idm ido ids idt ie- iea iec ied iee iei iem ies iet iia iib iic iid iie iii iim iio iis iit im- ima imb imc imd ime imi imm imo ims imt io- ioa iob ioc iod ioe ioi iom ioo ios iot is- isa isb isc isd ise isi ism iso iss ist ita itb itc itd ite iti itm ito its itt m-o maa mab mac mad mae mai mam mao mas mat mba mbb mbc mbd mbe mbi mbm mbo mbs mbt mc- mca mcb mcc mcd mce mci mcm mco mcs mct mda mdb mdc mdd mde mdi mdm mdo mds mdt mea meb mec med mee mei mem meo mes met mi- mia mib mic mid mie mii mim mio mis mit mma mmb mmc mmd mme mmi mmm mmo mms mmt moa mob moc mod moe moi mom moo mos mot msa msb msc msd mse msi msm mso mss mst mta mtb mtc mtd mte mti mtm mto mts mtt o-i oaa oab oac oad oae oai oam oao oas oat ob- oba obb obc obd obe obi obm obo obs obt oc- oca ocb occ ocd oci ocm oco ocs oct oda odb odc odd ode odi odm odo ods odt oea oeb oec oed oee oei oem oeo oes oet oia oib oic oid oie oii oim oio ois oit om- oma omb omc omd ome omi omm omo oms omt oo- ooa oob ooc ood ooi oom ooo oos oot os- osa osb osc osd ose osi osm oso oss ost ot- ota otb otc otd ote oti otm oto ots ott saa sab sac sad sae sai sam sao sas sat sba sbb sbc sbd sbe sbi sbm sbo sbs sbt sca scb scc scd sce sci scm sco scs sct sda sdb sdc sdd sde sdi sdm sdo sds sdt se- sea seb sec sed see sei sem seo ses set sia sib sic sid sie sii sim sio sis sit sma smb smc smd sme smi smm smo sms smt soa sob soc sod soe soi som soo sos sot ss- ssa ssb ssc ssd sse ssi ssm sso sss sst sta stb stc std ste sti stm sto sts stt taa tab tac tad tae tai tam tao tas tat tba tbb tbc tbd tbe tbi tbm tbo tbs tbt tca tcb tcc tcd tce tci tcm tco tcs tct tda tdb tdc tdd tde tdi tdm tdo tds tdt te- tea teb tec ted tee tei tem teo tes tet tia tib tic tid tie tii tim tio tis tit tma