-ol ddd ddi ddl ddo ddr dds ddt di- did dii dil dio dir dis dit dl- dld dli dll dlo dlr dls dlt dod doi dol doo dor dos dot drd dri drl dro drr drs drt dsd dsi dsl dso dsr dss dst dtd dti dtl dto dtr dts dtt i-d idd idi idl ido idr ids idt iid iii iil iio iir iis iit il- ild ili ill ilo ilr ils ilt io- iod ioi iol ioo ior ios iot ir- ird iri irl iro irr irs irt is- isd isi isl iso isr iss ist itd iti itl ito its itt ldd ldi ldl ldo ldr lds ldt lid lii lil lio lir lis lit lld lli lll llo llr lls llt lod loi lol loo lor los lot lrd lri lro lrr lrs lrt lsd lsi lsl lso lsr lss lst ltd lti ltl lto ltr lts ltt o-i odd odi odl odo odr ods odt oid oii oil oio oir ois oit old oli oll olo ols olt oo- ood ooi ool ooo oor oos oot or- ord ori orl oro orr ors ort os- osd osi osl oso osr oss ost ot- otd oti otl oto otr ots ott rdd rdi rdl rdo rdr rds rdt rid rii ril rio rir ris rit rld rli rll rlo rlr rls rlt rod roi rol roo ror ros rot rrd rri rrl rrr rrs rrt rsd rsi rsl rso rsr rss rst rtd rti rtl rto rtr rts rtt sdd sdi sdl sdo sdr sds sdt sid sii sil sio sir sis sit sld sli sll slo slr sls slt sod soi sol soo sor sos sot sr- srd sri srl sro srr srs srt ss- ssd ssi ssl sso ssr sss sst std sti stl sto str sts stt tdd tdi tdl tdo tdr tds tdt tid tii til tio tir tis tit tld tli tll tlo tlr tls tlt to- tod toi tol too tor tos tot trd tri trl tro trr trs trt tsd tsi tsl tso tsr tss tst ttd tti ttl tto ttr tts ttt