ddd ddi ddm ddn dds ddt di- did dii dim din dis dit dmd dmi dmm dmn dms dmt dnd dni dnm dnn dns dnt dsd dsi dsm dsn dss dst dtd dti dtm dtn dts dtt i-d idd idi idm idn ids idt iid iii iim iin iis iit im- imd imi imm imn ims imt in- ind ini inm inn ins int is- isd isi ism isn iss ist itd iti itm itn its itt mdd mdi mdm mdn mds mdt mi- mid mii mim min mis mit mmd mmi mmm mmn mms mmt mni mnm mnn mns mnt msd msi msm msn mss mst mtd mti mtm mtn mts mtt n-i ndd ndi ndm ndn nds ndt nid nii nim nin nis nit nmd nmi nmm nmn nms nmt nni nnm nnn nns nnt nsd nsi nsm nsn nss nst ntd nti ntm ntn nts ntt sdd sdi sdm sdn sds sdt sid sii sim sin sis sit smd smi smm smn sms smt snd sni snm snn sns snt ss- ssd ssi ssm ssn sss sst std sti stm stn sts stt tdd tdi tdm tdn tds tdt tid tii tim tin tis tit tmd tmi tmm tmn tms tmt tnd tni tnm tnn tns tnt tsd tsi tsm tsn tss tst ttd tti ttm ttn tts ttt