a-a a-b a-t aaa aab aae aaj aam aan aao aat ab- aba abb abe abj abm abn abo abt aea aeb aee aej aem aen aeo aet aja ajb aje ajj ajm ajn ajo ajt ama amb ame amm amn amo amt an- ana anb ane anj anm ann ano ant aoa aob aoe aoj aom aon aoo aot at- ata atb ate atm atn ato att baa bab bae baj bam ban bao bat bba bbb bbe bbm bbn bbo bbt be- bea beb bee bem ben beo bet bja bjj bjm bjn bjt bma bmb bme bmj bmm bmn bmo bmt bna bnb bne bnj bnn bno bnt boa bob boe boj bom bon boo bot bta btb bte btm btn bto btt eaa eab eae eaj eam ean eao eat eba ebb ebe ebj ebm ebn ebo ebt eea eeb eee eem een eeo eet eja ejo ejt em- ema emb eme emm emn emo emt en- ena enb ene enm enn eno ent eo- eoa eob eoe eom eon eoo eot eta etb ete etj etm etn eto ett jaa jab jae jaj jam jan jao jat jba jbj jbm jbo jbt jea jeb jee jej jem jen jeo jet jja jjb jjj jma jmb jme jmj jmm jmn jmo jmt jna jne jnj jnn jno jnt joa job joe joj jom jon joo jot jta jtb jte jtm jtn jtt m-o maa mab mae maj mam man mao mat mba mbb mbe mbj mbm mbo mbt mea meb mee mej mem men meo met mjb mje mjj mjm mjt mma mmb mme mmj mmm mmn mmo mmt mna mnb mne mnj mnm mnn mno mnt moa mob moe mom mon moo mot mta mtb mte mtj mtm mtn mto mtt naa nab nae naj nam nan nao nat nba nbb nbe nbm nbn nbo nbt ne- nea neb nee nej nem nen neo net nja nje njm njn nma nmb nme nmm nmn nmo nmt nna nnb nne nnm nnn nno nnt no- noa nob noe noj nom non noo not nta ntb nte ntm ntn nto ntt oaa oab oae oaj oam oan oao oat ob- oba obb obe obj obm obn obo obt oea oeb oee oem oen oeo oet oja ojb oje ojm ojo om- oma omb ome omj omm omn omo omt on- ona onb one onj onn ono ont oo- ooa oob oom oon ooo oot ot- ota otb ote otm otn oto ott taa tab tae taj tam tan tao tat tba tbb tbe tbj tbm tbn tbo tbt te- tea teb tee tej tem ten teo tet tje tjm tjo tma tmb tme tmj tmm tmn tmo tmt tna tnb tne tnm tnn tno tnt to- toa tob toe toj tom ton too tot tta ttb tte ttm ttn tto ttt