a-a a-b a-i a-t aaa aab aae aai aam aan aao aat ab- aba abb abe abi abm abn abo abt aea aeb aee aei aem aen aeo aet ai- aia aib aie aii aim ain aio ait ama amb ame ami amm amn amo amt an- ana anb ane ani anm ann ano ant aoa aob aoe aoi aom aon aoo aot at- ata atb ate ati atm atn ato att baa bab bae bai bam ban bao bat bba bbb bbe bbi bbm bbn bbo bbt be- bea beb bee bei bem ben beo bet bi- bia bib bie bii bim bin bio bit bma bmb bme bmi bmm bmn bmo bmt bna bnb bne bni bnn bno bnt boa bob boe boi bom bon boo bot bta btb bte bti btm btn bto btt eaa eab eae eai eam ean eao eat eba ebb ebe ebi ebm ebn ebo ebt eea eeb eee eem een eeo eet eia eib eie eii eim ein eio eit em- ema emb eme emi emm emn emo emt en- ena enb ene eni enm enn eno ent eo- eoa eob eoe eoi eom eon eoo eot eta etb ete eti etm etn eto ett ia- iaa iab iae iai iam ian iao iat iba ibb ibe ibi ibm ibn ibo ibt ie- iea iee iei iem ien iet iia iib iie iii iim iin iio iit im- ima imb ime imi imm imn imo imt in- ina inb ine ini inm inn ino int io- ioa iob ioe ioi iom ion ioo iot ita itb ite iti itm itn ito itt m-o maa mab mae mai mam man mao mat mba mbb mbe mbi mbm mbo mbt mea meb mee mei mem men meo met mi- mia mib mie mii mim min mio mit mma mmb mme mmi mmm mmn mmo mmt mna mnb mne mni mnm mnn mno mnt moa mob moe moi mom mon moo mot mta mtb mte mti mtm mtn mto mtt n-i naa nab nae nai nam nan nao nat nba nbb nbe nbi nbm nbn nbo nbt ne- nea neb nee nei nem nen neo net nia nib nie nii nim nin nio nit nma nmb nme nmi nmm nmn nmo nmt nna nnb nne nni nnm nnn nno nnt no- noa nob noe noi nom non noo not nta ntb nte nti ntm ntn nto ntt o-i oaa oab oae oai oam oan oao oat ob- oba obb obe obi obm obn obo obt oea oeb oee oei oem oen oeo oet oia oib oie oii oim oin oio oit om- oma omb ome omi omm omn omo omt on- ona onb one oni onn ono ont oo- ooa oob ooi oom oon ooo oot ot- ota otb ote oti otm otn oto ott taa tab tae tai tam tan tao tat tba tbb tbe tbi tbm tbn tbo tbt te- tea teb tee tei tem ten teo tet tia tib tie tii tim tin tio tit tma tmb tme tmi tmm tmn tmo tmt tna tnb tne tni tnm tnn tno tnt to- toa tob toe toi tom ton too tot tta ttb tte tti ttm ttn tto ttt