ddd ddi ddk ddo dds ddt di- did dii dik dio dis dit div dki dkk dko dks dkt dod doi dok doo dos dot dov dsd dsi dsk dso dss dst dsv dtd dti dtk dto dts dtt dtv dvd dvi dvk dvs dvt i-d i-v idd idi idk ido ids idt idv iid iii iio iis iit iki ikk iko iks ikt ikv io- iod ioi ioo ios iot iov is- isd isi isk iso iss ist isv itd iti itk ito its itt itv ivd ivi ivo ivs ivt ivv k-t kdk kdo kds kdt kid kii kik kio kis kit kiv kki kkk kks kkt kkv kod koi kok koo kos kot ksd ksi ksk kso kss kst ksv ktk kto kts ktt ktv kvi kvk kvo kvs kvv o-i odd odi odo ods odt odv oid oii oik oio ois oit oiv okd oki okk oko oks oo- ood ooi ook ooo oos oot oov os- osd osi osk oso oss ost osv ot- otd oti otk oto ots ott otv ov- ovd ovi ovo ovs ovv sdd sdi sdk sdo sds sdt sdv sid sii sik sio sis sit siv sk- skd ski skk sko sks skt sod soi sok soo sos sot sov ss- ssd ssi ssk sso sss sst ssv std sti stk sto sts stt stv svd svi svk svo svs svt svv tdd tdi tdk tdo tds tdt tdv tid tii tik tio tis tit tiv tkk tko tks tkt to- tod toi tok too tos tot tov tsd tsi tsk tso tss tst tsv ttd tti ttk tto tts ttt ttv tvd tvi tvk tvo tvs tvt vdd vdi vdk vdo vds vdt vdv vi- vid vii vik vio vis vit viv vkt vod voi vok voo vos vot vov vsd vsi vsk vso vss vst vsv vti vtk vto vts vtt vtv vvi vvo vvs vvt vvv