a-a a-t aaa aad aam aan aas aat ad- ada add adm adn ads adt ama amd amm amn ams amt an- ana and anm ann ans ant as- asa asd asm asn ass ast at- ata atd atm atn ats att daa dad dam dan das dat dda ddd ddm ddn dds ddt dma dmd dmm dmn dms dmt dna dnd dnm dnn dns dnt dsa dsd dsm dsn dss dst dta dtd dtm dtn dts dtt maa mad mam man mas mat mda mdd mdm mdn mds mdt mma mmd mmm mmn mms mmt mna mnm mnn mns mnt msa msd msm msn mss mst mta mtd mtm mtn mts mtt naa nad nam nan nas nat nda ndd ndm ndn nds ndt nma nmd nmm nmn nms nmt nna nnm nnn nns nnt nsa nsd nsm nsn nss nst nta ntd ntm ntn nts ntt saa sad sam san sas sat sda sdd sdm sdn sds sdt sma smd smm smn sms smt sna snd snm snn sns snt ss- ssa ssd ssm ssn sss sst sta std stm stn sts stt taa tad tam tan tas tat tda tdd tdm tdn tds tdt tma tmd tmm tmn tms tmt tna tnd tnm tnn tns tnt tsa tsd tsm tsn tss tst tta ttd ttm ttn tts ttt