-ol ddd ddi ddl ddo ddp ddr dds di- did dii dil dio dip dir dis dl- dld dli dll dlo dlp dlr dls dod doi dol doo dop dor dos dpd dpi dpl dpo dpp dpr dps drd dri drl dro drp drr drs dsd dsi dsl dso dsp dsr dss i-d idd idi idl ido idp idr ids iid iii iil iio iip iir iis il- ild ili ill ilo ilp ilr ils io- iod ioi iol ioo iop ior ios ipd ipi ipl ipo ipp ipr ips ir- ird iri irl iro irp irr irs is- isd isi isl iso isp isr iss l-p ldd ldi ldl ldo ldp ldr lds lid lii lil lio lip lir lis lld lli lll llo llp llr lls lod loi lol loo lop lor los lpd lpi lpl lpo lpp lpr lps lrd lri lro lrp lrr lrs lsd lsi lsl lso lsp lsr lss o-i odd odi odl odo odp odr ods oid oii oil oio oip oir ois old oli oll olo olp ols oo- ood ooi ool ooo oop oor oos op- opd opi opl opo opp opr ops or- ord ori orl oro orp orr ors os- osd osi osl oso osp osr oss p-p pdd pdi pdl pdo pdp pdr pds pid pii pil pio pip pir pis pld pli pll plo plp plr pls pod poi pol poo pop por pos ppd ppi ppl ppo ppp ppr pps prd pri prl pro prp prr prs ps- psd psi psl pso psp psr pss rdd rdi rdl rdo rdp rdr rds rid rii ril rio rip rir ris rld rli rll rlo rlp rlr rls rod roi rol roo rop ror ros rpd rpi rpl rpo rpp rpr rps rrd rri rrl rrp rrr rrs rsd rsi rsl rso rsp rsr rss sdd sdi sdl sdo sdp sdr sds sid sii sil sio sip sir sis sld sli sll slo slp slr sls sod soi sol soo sop sor sos spd spi spl spo spp spr sps sr- srd sri srl sro srp srr srs ss- ssd ssi ssl sso ssp ssr sss