a-a a-b aaa aab aaj aak aan aas ab- aba abb abj abk abn abs aja ajb ajj ajk ajn ajs aka akb akj akk akn aks an- ana anb anj ank ann ans as- asa asb asj ask asn ass baa bab baj bak ban bas bba bbb bbk bbn bbs bja bjj bjk bjn bjs bka bkb bkk bkn bks bna bnb bnj bnk bnn bns bsa bsb bsj bsk bsn bss jaa jab jaj jak jan jas jba jbj jbk jbs jja jjb jjj jjk jjs jka jkb jkk jkn jks jna jnj jnn jns jsa jsb jsj jsk jsn jss ka- kaa kab kaj kak kan kas kba kbb kbk kbn kbs kjb kjs kkb kkk kkn kks kn- kna knk knn ksa ksb ksk ksn kss naa nab naj nak nan nas nba nbb nbk nbn nbs nja njk njn njs nka nkj nkk nkn nks nna nnb nnk nnn nns nsa nsb nsk nsn nss saa sab saj sak san sas sba sbb sbj sbk sbn sbs sja sjb sjj sjk sjs sk- ska skb skj skk sks sna snb snj snk snn sns ss- ssa ssb ssj ssk ssn sss