a-a aaa aad aak aan aas ad- ada add adk adn ads aka akd akk akn aks an- ana and ank ann ans as- asa asd ask asn ass daa dad dak dan das dda ddd ddk ddn dds dka dkk dks dna dnd dnk dnn dns dsa dsd dsk dsn dss ka- kaa kad kak kan kas kda kdk kds kkk kkn kks kn- kna knd knk knn ksa ksd ksk ksn kss naa nad nak nan nas nda ndd ndk ndn nds nka nkk nkn nks nna nnk nnn nns nsa nsd nsk nsn nss saa sad sak san sas sda sdd sdk sdn sds sk- ska skd skk sks sna snd snk snn sns ss- ssa ssd ssk ssn sss