a-a a-b a-i a-t aaa aab aae aag aai aam aan aao aat ab- aba abb abe abg abi abm abn abo abt aea aeb aee aeg aei aem aen aeo aet ag- aga agb age agg agi agm agn ago agt ai- aia aib aie aig aii aim ain aio ait ama amb ame amg ami amm amn amo amt an- ana anb ane ang ani anm ann ano ant aoa aob aoe aog aoi aom aon aoo aot at- ata atb ate atg ati atm atn ato att baa bab bae bag bai bam ban bao bat bba bbb bbe bbg bbi bbm bbn bbo bbt be- bea beb bee beg bei bem ben beo bet bga bgb bge bgg bgi bgm bgn bgo bgt bi- bia bib bie big bii bim bin bio bit bma bmb bme bmg bmi bmm bmn bmo bmt bna bnb bne bng bni bnn bno bnt boa bob boe bog boi bom bon boo bot bta btb bte btg bti btm btn bto btt eaa eab eae eag eai eam ean eao eat eba ebb ebe ebg ebi ebm ebn ebo ebt eea eeb eee eeg eem een eeo eet ega egb ege egg egi egm egn ego egt eia eib eie eig eii eim ein eio eit em- ema emb eme emg emi emm emn emo emt en- ena enb ene eng eni enm enn eno ent eo- eoa eob eoe eog eoi eom eon eoo eot eta etb ete etg eti etm etn eto ett gaa gab gae gag gai gam gan gao gat gba gbe gbg gbi gbm gbn gbo gbt ge- gea geb gee geg gei gem gen geo get gga ggb ggg ggi ggm ggn ggo ggt gia gib gie gig gii gim gin gio git gma gmb gme gmg gmi gmm gmn gmo gmt gna gnb gne gni gnm gnn gno gnt goa gob goe gog goi gom gon goo got gta gtb gte gtg gti gtm gtn gto gtt ia- iaa iab iae iag iai iam ian iao iat iba ibb ibe ibg ibi ibm ibn ibo ibt ie- iea iee ieg iei iem ien iet iga igb ige igg igi igm ign igo igt iia iib iie iii iim iin iio iit im- ima imb ime img imi imm imn imo imt in- ina inb ine ing ini inm inn ino int io- ioa iob ioe iog ioi iom ion ioo iot ita itb ite itg iti itm itn ito itt m-o maa mab mae mag mai mam man mao mat mba mbb mbe mbg mbi mbm mbo mbt mea meb mee meg mei mem men meo met mga mgb mge mgi mgm mgn mgo mgt mi- mia mib mie mig mii mim min mio mit mma mmb mme mmg mmi mmm mmn mmo mmt mna mnb mne mng mni mnm mnn mno mnt moa mob moe mog moi mom mon moo mot mta mtb mte mtg mti mtm mtn mto mtt n-i naa nab nae nag nai nam nan nao nat nba nbb nbe nbg nbi nbm nbn nbo nbt ne- nea neb nee neg nei nem nen neo net nga ngb nge ngg ngi ngm ngn ngo ngt nia nib nie nig nii nim nin nio nit nma nmb nme nmg nmi nmm nmn nmo nmt nna nnb nne nng nni nnm nnn nno nnt no- noa nob noe nog noi nom non noo not nta ntb nte ntg nti ntm ntn nto ntt o-i oaa oab oae oag oai oam oan oao oat ob- oba obb obe obg obi obm obn obo obt oea oeb oee oeg oei oem oen oeo oet oga oge ogg ogi ogn ogo ogt oia oib oie oii oim oin oio oit om- oma omb ome omg omi omm omn omo omt on- ona onb one ong oni onn ono ont oo- ooa oob oog ooi oom oon ooo oot ot- ota otb ote otg oti otm otn oto ott taa tab tae tag tai tam tan tao tat tba tbb tbe tbg tbi tbm tbn tbo tbt te- tea teb tee teg tei tem ten teo tet tga tgb tge tgg tgi tgm tgn tgo tgt tia tib tie tig tii tim tin tio tit tma tmb tme tmg tmi tmm tmn tmo tmt tna tnb tne tng tni tnm tnn tno tnt to- toa tob toe tog toi tom ton too tot tta ttb tte ttg tti ttm ttn tto ttt