a-a a-b a-t aaa aab aaj aak aam aan aao aat ab- aba abb abj abk abm abn abo abt aja ajb ajj ajk ajm ajn ajo ajt aka akb akj akk akm akn ako ama amb amk amm amn amo amt an- ana anb anj ank anm ann ano ant aoa aob aoj aok aom aon aoo aot at- ata atb atm atn ato att baa bab baj bak bam ban bao bat bba bbb bbk bbm bbn bbo bbt bja bjj bjk bjm bjn bjt bka bkb bkk bkm bkn bko bkt bma bmb bmj bmk bmm bmn bmo bmt bna bnb bnj bnk bnn bno bnt boa bob boj bok bom bon boo bot bta btb btk btm btn bto btt jaa jab jaj jak jam jan jao jat jba jbj jbk jbm jbo jbt jja jjb jjj jjk jka jkb jkk jkm jkn jko jkt jma jmb jmj jmm jmn jmo jmt jna jnj jnn jno jnt joa job joj jok jom jon joo jot jta jtb jtk jtm jtn jtt k-t ka- kaa kab kaj kak kam kan kao kat kba kbb kbk kbm kbn kbo kjb kkb kkk kkm kkn kkt kma kmb kmj kmk kmm kmo kmt kn- kna knk knm knn kno knt koa kob kok kom kon koo kot kta ktb ktj ktk ktm ktn kto ktt m-o maa mab maj mak mam man mao mat mba mbb mbj mbk mbm mbo mbt mjb mjj mjk mjm mjt mka mkb mkk mkm mkn mko mkt mma mmb mmj mmk mmm mmn mmo mmt mna mnb mnj mnk mnm mnn mno mnt moa mob mok mom mon moo mot mta mtb mtj mtk mtm mtn mto mtt naa nab naj nak nam nan nao nat nba nbb nbk nbm nbn nbo nbt nja njk njm njn nka nkj nkk nkm nkn nko nkt nma nmb nmk nmm nmn nmo nmt nna nnb nnk nnm nnn nno nnt no- noa nob noj nok nom non noo not nta ntb ntk ntm ntn nto ntt oaa oab oaj oak oam oan oao oat ob- oba obb obj obk obm obn obo obt oja ojb ojm ojo oka okb okj okk oko om- oma omb omj omm omn omo omt on- ona onb onj onk onn ono ont oo- ooa oob ook oom oon ooo oot ot- ota otb otk otm otn oto ott taa tab taj tak tam tan tao tat tba tbb tbj tbk tbm tbn tbo tbt tjm tjo tka tkb tkk tkm tko tkt tma tmb tmj tmk tmm tmn tmo tmt tna tnb tnk tnm tnn tno tnt to- toa tob toj tok tom ton too tot tta ttb ttk ttm ttn tto ttt