a-a aaa aad aak aan aao aas ad- ada add adk adn ado ads aka akd akk akn ako aks an- ana and ank ann ano ans aoa aod aok aon aoo aos as- asa asd ask asn aso ass daa dad dak dan dao das dda ddd ddk ddn ddo dds dka dkk dko dks dna dnd dnk dnn dno dns doa dod dok don doo dos dsa dsd dsk dsn dso dss ka- kaa kad kak kan kao kas kda kdk kdo kds kkk kkn kks kn- kna knd knk knn kno koa kod kok kon koo kos ksa ksd ksk ksn kso kss naa nad nak nan nao nas nda ndd ndk ndn ndo nds nka nkk nkn nko nks nna nnk nnn nno nns no- noa nod nok non noo nos nsa nsd nsk nsn nso nss oaa oad oak oan oao oas oda odd odn odo ods oka okd okk oko oks on- ona ond onk onn ono ons oo- ooa ood ook oon ooo oos os- osa osd osk osn oso oss saa sad sak san sao sas sda sdd sdk sdn sdo sds sk- ska skd skk sko sks sna snd snk snn sno sns soa sod sok son soo sos ss- ssa ssd ssk ssn sso sss