-ol ddd ddi ddl ddo ddp dds ddt di- did dii dil dio dip dis dit dl- dld dli dll dlo dlp dls dlt dod doi dol doo dop dos dot dpd dpi dpl dpo dpp dps dpt dsd dsi dsl dso dsp dss dst dtd dti dtl dto dtp dts dtt i-d idd idi idl ido idp ids idt iid iii iil iio iip iis iit il- ild ili ill ilo ilp ils ilt io- iod ioi iol ioo iop ios iot ipd ipi ipl ipo ipp ips ipt is- isd isi isl iso isp iss ist itd iti itl ito itp its itt l-p ldd ldi ldl ldo ldp lds ldt lid lii lil lio lip lis lit lld lli lll llo llp lls llt lod loi lol loo lop los lot lpd lpi lpl lpo lpp lps lpt lsd lsi lsl lso lsp lss lst ltd lti ltl lto ltp lts ltt o-i odd odi odl odo odp ods odt oid oii oil oio oip ois oit old oli oll olo olp ols olt oo- ood ooi ool ooo oop oos oot op- opd opi opl opo opp ops opt os- osd osi osl oso osp oss ost ot- otd oti otl oto otp ots ott p-p pdd pdi pdl pdo pdp pds pdt pid pii pil pio pip pis pit pld pli pll plo plp pls plt pod poi pol poo pop pos pot ppd ppi ppl ppo ppp pps ppt ps- psd psi psl pso psp pss pst pt- ptd pti ptl pto ptp pts ptt sdd sdi sdl sdo sdp sds sdt sid sii sil sio sip sis sit sld sli sll slo slp sls slt sod soi sol soo sop sos sot spd spi spl spo spp sps spt ss- ssd ssi ssl sso ssp sss sst std sti stl sto stp sts stt tdd tdi tdl tdo tdp tds tdt tid tii til tio tip tis tit tld tli tll tlo tlp tls tlt to- tod toi tol too top tos tot tpd tpi tpl tpo tpp tps tpt tsd tsi tsl tso tsp tss tst ttd tti ttl tto ttp tts ttt