ddd ddi ddn ddo dds ddt ddz di- did dii din dio dis dit diz dnd dni dnn dno dns dnt dnz dod doi don doo dos dot doz dsd dsi dsn dso dss dst dsz dtd dti dtn dto dts dtt dtz dzd dzi dzo dzs i-d idd idi idn ido ids idt iid iii iin iio iis iit in- ind ini inn ino ins int io- iod ioi ion ioo ios iot is- isd isi isn iso iss ist itd iti itn ito its itt itz izi izo izz n-i ndd ndi ndn ndo nds ndt nid nii nin nio nis nit niz nni nnn nno nns nnt nnz no- nod noi non noo nos not noz nsd nsi nsn nso nss nst nsz ntd nti ntn nto nts ntt ntz nzd nzi nzo nzs nzz o-i odd odi odn odo ods odt oid oii oin oio ois oit oiz on- ond oni onn ono ons ont oo- ood ooi oon ooo oos oot os- osd osi osn oso oss ost ot- otd oti otn oto ots ott otz ozo ozs ozt ozz sdd sdi sdn sdo sds sdt sdz sid sii sin sio sis sit snd sni snn sno sns snt sod soi son soo sos sot soz ss- ssd ssi ssn sso sss sst ssz std sti stn sto sts stt stz szd szi tdd tdi tdn tdo tds tdt tid tii tin tio tis tit tiz tnd tni tnn tno tns tnt tnz to- tod toi ton too tos tot toz tsd tsi tsn tso tss tst ttd tti ttn tto tts ttt tzd tzs zds zdt zid zin zio zis zit ziz znd znn zno zns zo- zod zoi zon zoo zos zot zsi zst zsz zzs zzt zzz