-ol b-p bbb bbd bbi bbl bbo bbp bbs bbt bdb bdd bdi bdl bdo bdp bds bdt bi- bib bid bii bil bio bip bis bit blb bld bli bll blo blp bls blt bob bod boi bol boo bop bos bot bpb bpd bpi bpl bpo bpp bps bpt bsb bsd bsi bsl bso bsp bss bst btb btd bti btl bto btp bts btt dbb dbd dbi dbl dbo dbp dbs dbt ddb ddd ddi ddl ddo ddp dds ddt di- dib did dii dil dio dip dis dit dl- dlb dld dli dll dlo dlp dls dlt dob dod doi dol doo dop dos dot dpb dpd dpi dpl dpo dpp dps dpt dsb dsd dsi dsl dso dsp dss dst dtb dtd dti dtl dto dtp dts dtt i-d ibb ibd ibi ibl ibo ibp ibs ibt idb idd idi idl ido idp ids idt iib iid iii iil iio iip iis iit il- ilb ild ili ill ilo ilp ils ilt io- iob iod ioi iol ioo iop ios iot ipb ipd ipi ipl ipo ipp ips ipt is- isb isd isi isl iso isp iss ist itb itd iti itl ito itp its itt l-p lbb lbd lbi lbl lbo lbp lbs lbt ldb ldd ldi ldl ldo ldp lds ldt lib lid lii lil lio lip lis lit llb lld lli lll llo llp lls llt lob lod loi lol loo lop los lot lpb lpd lpi lpl lpo lpp lps lpt lsb lsd lsi lsl lso lsp lss lst ltb ltd lti ltl lto ltp lts ltt o-i ob- obb obd obi obl obo obp obs obt odb odd odi odl odo odp ods odt oib oid oii oil oio oip ois oit olb old oli oll olo olp ols olt oo- oob ood ooi ool ooo oop oos oot op- opb opd opi opl opo opp ops opt os- osb osd osi osl oso osp oss ost ot- otb otd oti otl oto otp ots ott p-p pbb pbd pbi pbl pbo pbp pbs pbt pdb pdd pdi pdl pdo pdp pds pdt pib pid pii pil pio pip pis pit plb pld pli pll plo plp pls plt pob pod poi pol poo pop pos pot ppb ppd ppi ppl ppo ppp pps ppt ps- psb psd psi psl pso psp pss pst pt- ptb ptd pti ptl pto ptp pts ptt sbb sbd sbi sbl sbo sbp sbs sbt sdb sdd sdi sdl sdo sdp sds sdt sib sid sii sil sio sip sis sit slb sld sli sll slo slp sls slt sob sod soi sol soo sop sos sot spb spd spi spl spo spp sps spt ss- ssb ssd ssi ssl sso ssp sss sst stb std sti stl sto stp sts stt tbb tbd tbi tbl tbo tbp tbs tbt tdb tdd tdi tdl tdo tdp tds tdt tib tid tii til tio tip tis tit tld tli tll tlo tlp tls tlt to- tob tod toi tol too top tos tot tpb tpd tpi tpl tpo tpp tps tpt tsb tsd tsi tsl tso tsp tss tst ttb ttd tti ttl tto ttp tts ttt