a-a a-b a-i a-t aaa aab aae aai aam aao aat ab- aba abb abe abi abm abo abt aea aeb aee aei aem aeo aet ai- aia aib aie aii aim aio ait ama amb ame ami amm amo amt aoa aob aoe aoi aom aoo aot at- ata atb ate ati atm ato att baa bab bae bai bam bao bat bba bbb bbe bbi bbm bbo bbt be- bea beb bee bei bem beo bet bi- bia bib bie bii bim bio bit bma bmb bme bmi bmm bmo bmt boa bob boe boi bom boo bot bta btb bte bti btm bto btt eaa eab eae eai eam eao eat eba ebb ebe ebi ebm ebo ebt eea eeb eee eem eeo eet eia eib eie eii eim eio eit em- ema emb eme emi emm emo emt eo- eoa eob eoe eoi eom eoo eot eta etb ete eti etm eto ett ia- iaa iab iae iai iam iao iat iba ibb ibe ibi ibm ibo ibt ie- iea iee iei iem iet iia iib iie iii iim iio iit im- ima imb ime imi imm imo imt io- ioa iob ioe ioi iom ioo iot ita itb ite iti itm ito itt m-o maa mab mae mai mam mao mat mba mbb mbe mbi mbm mbo mbt mea meb mee mei mem meo met mi- mia mib mie mii mim mio mit mma mmb mme mmi mmm mmo mmt moa mob moe moi mom moo mot mta mtb mte mti mtm mto mtt o-i oaa oab oae oai oam oao oat ob- oba obb obe obi obm obo obt oea oeb oee oei oem oeo oet oia oib oie oii oim oio oit om- oma omb ome omi omm omo omt oo- ooa oob ooi oom ooo oot ot- ota otb ote oti otm oto ott taa tab tae tai tam tao tat tba tbb tbe tbi tbm tbo tbt te- tea teb tee tei tem teo tet tia tib tie tii tim tio tit tma tmb tme tmi tmm tmo tmt to- toa tob toe toi tom too tot tta ttb tte tti ttm tto ttt