a-a a-b aaa aab aag aaj aam aan aao ab- aba abb abg abj abm abn abo ag- aga agb agg agj agm agn ago aja ajb ajj ajm ajn ajo ama amb amg amm amn amo an- ana anb ang anj anm ann ano aoa aob aog aoj aom aon aoo baa bab bag baj bam ban bao bba bbb bbg bbm bbn bbo bga bgb bgg bgm bgn bgo bja bjg bjj bjm bjn bma bmb bmg bmj bmm bmn bmo bna bnb bng bnj bnn bno boa bob bog boj bom bon boo gaa gab gag gaj gam gan gao gba gbg gbj gbm gbn gbo gga ggb ggg ggj ggm ggn ggo gja gjg gma gmb gmg gmj gmm gmn gmo gna gnb gnm gnn gno goa gob gog gom gon goo jaa jab jag jaj jam jan jao jba jbg jbj jbm jbo jga jgb jgn jgo jja jjb jjg jjj jma jmb jmj jmm jmn jmo jna jng jnj jnn jno joa job jog joj jom jon joo m-o maa mab mag maj mam man mao mba mbb mbg mbj mbm mbo mga mgb mgj mgm mgn mgo mjb mjj mjm mma mmb mmg mmj mmm mmn mmo mna mnb mng mnj mnm mnn mno moa mob mog mom mon moo naa nab nag naj nam nan nao nba nbb nbg nbm nbn nbo nga ngb ngg ngj ngm ngn ngo nja njm njn nma nmb nmg nmm nmn nmo nna nnb nng nnm nnn nno no- noa nob nog noj nom non noo oaa oab oag oaj oam oan oao ob- oba obb obg obj obm obn obo oga ogg ogn ogo oja ojb ojm ojo om- oma omb omg omj omm omn omo on- ona onb ong onj onn ono oo- ooa oob oog oom oon ooo