a-a a-b aaa aab aag aaj aak aam aan aao ab- aba abb abg abj abk abm abn abo ag- aga agb agg agj agk agm agn ago aja ajb ajj ajk ajm ajn ajo aka akb akg akj akk akm akn ako ama amb amg amk amm amn amo an- ana anb ang anj ank anm ann ano aoa aob aog aoj aok aom aon aoo baa bab bag baj bak bam ban bao bba bbb bbg bbk bbm bbn bbo bga bgb bgg bgk bgm bgn bgo bja bjg bjj bjk bjm bjn bka bkb bkg bkk bkm bkn bko bma bmb bmg bmj bmk bmm bmn bmo bna bnb bng bnj bnk bnn bno boa bob bog boj bok bom bon boo gaa gab gag gaj gak gam gan gao gba gbg gbj gbk gbm gbn gbo gga ggb ggg ggj ggm ggn ggo gja gjg gka gkb gkm gkn gko gma gmb gmg gmj gmm gmn gmo gna gnb gnm gnn gno goa gob gog gok gom gon goo jaa jab jag jaj jak jam jan jao jba jbg jbj jbk jbm jbo jga jgb jgn jgo jja jjb jjg jjj jjk jka jkb jkk jkm jkn jko jma jmb jmj jmm jmn jmo jna jng jnj jnn jno joa job jog joj jok jom jon joo ka- kaa kab kag kaj kak kam kan kao kba kbb kbk kbm kbn kbo kga kgb kgm kgo kjb kkb kkk kkm kkn kma kmb kmg kmj kmk kmm kmo kn- kna kng knk knm knn kno koa kob kog kok kom kon koo m-o maa mab mag maj mak mam man mao mba mbb mbg mbj mbk mbm mbo mga mgb mgj mgk mgm mgn mgo mjb mjj mjk mjm mka mkb mkg mkk mkm mkn mko mma mmb mmg mmj mmk mmm mmn mmo mna mnb mng mnj mnk mnm mnn mno moa mob mog mok mom mon moo naa nab nag naj nak nam nan nao nba nbb nbg nbk nbm nbn nbo nga ngb ngg ngj ngk ngm ngn ngo nja njk njm njn nka nkj nkk nkm nkn nko nma nmb nmg nmk nmm nmn nmo nna nnb nng nnk nnm nnn nno no- noa nob nog noj nok nom non noo oaa oab oag oaj oak oam oan oao ob- oba obb obg obj obk obm obn obo oga ogg ogn ogo oja ojb ojm ojo oka okb okg okj okk oko om- oma omb omg omj omm omn omo on- ona onb ong onj onk onn ono oo- ooa oob oog ook oom oon ooo