ddd ddi ddm ddo dds ddt ddu di- did dii dim dio dis dit diu dmd dmi dmm dmo dms dmt dmu dod doi dom doo dos dot dou dsd dsi dsm dso dss dst dsu dtd dti dtm dto dts dtt dtu dud dui dum duo dus dut i-d idd idi idm ido ids idt idu iid iii iim iio iis iit iiu im- imd imi imm imo ims imt imu io- iod ioi iom ioo ios iot iou is- isd isi ism iso iss ist isu itd iti itm ito its itt itu iu- iud iui ium ius iut m-o mdd mdi mdm mdo mds mdt mdu mi- mid mii mim mio mis mit miu mmd mmi mmm mmo mms mmt mmu mod moi mom moo mos mot mou msd msi msm mso mss mst msu mtd mti mtm mto mts mtt mtu mud mui mum mus mut muu o-i odd odi odm odo ods odt odu oid oii oim oio ois oit oiu om- omd omi omm omo oms omt omu oo- ood ooi oom ooo oos oot os- osd osi osm oso oss ost osu ot- otd oti otm oto ots ott otu ou- oud oui oum ouo ous out sdd sdi sdm sdo sds sdt sdu sid sii sim sio sis sit siu smd smi smm smo sms smt smu sod soi som soo sos sot sou ss- ssd ssi ssm sso sss sst ssu std sti stm sto sts stt stu sud sui sum suo sus sut suu tdd tdi tdm tdo tds tdt tdu tid tii tim tio tis tit tiu tmd tmi tmm tmo tms tmt tmu to- tod toi tom too tos tot tou tsd tsi tsm tso tss tst tsu ttd tti ttm tto tts ttt ttu tud tui tum tuo tus tut tuu udd udi udm udo uds udt udu uid uii uim uio uis uit uiu um- umd umi umm umo ums umt umu uod uom uoo uos uot usd usi usm uso uss ust usu utd uti utm uto uts utt utu uum uus uut uuu