a-a aaa aad aak aam aan aas ad- ada add adk adm adn ads aka akd akk akm akn aks ama amd amk amm amn ams an- ana and ank anm ann ans as- asa asd ask asm asn ass daa dad dak dam dan das dda ddd ddk ddm ddn dds dka dkk dkm dks dma dmd dmk dmm dmn dms dna dnd dnk dnm dnn dns dsa dsd dsk dsm dsn dss ka- kaa kad kak kam kan kas kda kdk kdm kds kkk kkm kkn kks kma kmd kmk kmm kms kn- kna knd knk knm knn ksa ksd ksk ksm ksn kss maa mad mak mam man mas mda mdd mdk mdm mdn mds mka mkd mkk mkm mkn mks mma mmd mmk mmm mmn mms mna mnk mnm mnn mns msa msd msk msm msn mss naa nad nak nam nan nas nda ndd ndk ndm ndn nds nka nkk nkm nkn nks nma nmd nmk nmm nmn nms nna nnk nnm nnn nns nsa nsd nsk nsm nsn nss saa sad sak sam san sas sda sdd sdk sdm sdn sds sk- ska skd skk skm sks sma smd smk smm smn sms sna snd snk snm snn sns ss- ssa ssd ssk ssm ssn sss