-ol ddd ddi ddl ddo dds ddt di- did dii dil dio dis dit dl- dld dli dll dlo dls dlt dod doi dol doo dos dot dsd dsi dsl dso dss dst dtd dti dtl dto dts dtt i-d idd idi idl ido ids idt iid iii iil iio iis iit il- ild ili ill ilo ils ilt io- iod ioi iol ioo ios iot is- isd isi isl iso iss ist itd iti itl ito its itt ldd ldi ldl ldo lds ldt lid lii lil lio lis lit lld lli lll llo lls llt lod loi lol loo los lot lsd lsi lsl lso lss lst ltd lti ltl lto lts ltt o-i odd odi odl odo ods odt oid oii oil oio ois oit old oli oll olo ols olt oo- ood ooi ool ooo oos oot os- osd osi osl oso oss ost ot- otd oti otl oto ots ott sdd sdi sdl sdo sds sdt sid sii sil sio sis sit sld sli sll slo sls slt sod soi sol soo sos sot ss- ssd ssi ssl sso sss sst std sti stl sto sts stt tdd tdi tdl tdo tds tdt tid tii til tio tis tit tld tli tll tlo tls tlt to- tod toi tol too tos tot tsd tsi tsl tso tss tst ttd tti ttl tto tts ttt