-ol b-u bbb bbd bbi bbl bbo bbs bbt bbu bdb bdd bdi bdl bdo bds bdt bdu bi- bib bid bii bil bio bis bit biu blb bld bli bll blo bls blt blu bob bod boi bol boo bos bot bou bsb bsd bsi bsl bso bss bst bsu btb btd bti btl bto bts btt btu bub bud bui bul buo bus but buu dbb dbd dbi dbl dbo dbs dbt dbu ddb ddd ddi ddl ddo dds ddt ddu di- dib did dii dil dio dis dit diu dl- dlb dld dli dll dlo dls dlt dlu dob dod doi dol doo dos dot dou dsb dsd dsi dsl dso dss dst dsu dtb dtd dti dtl dto dts dtt dtu dub dud dui dul duo dus dut i-d ibb ibd ibi ibl ibo ibs ibt ibu idb idd idi idl ido ids idt idu iib iid iii iil iio iis iit iiu il- ilb ild ili ill ilo ils ilt ilu io- iob iod ioi iol ioo ios iot iou is- isb isd isi isl iso iss ist isu itb itd iti itl ito its itt itu iu- iub iud iui ius iut lbb lbd lbi lbl lbo lbs lbt lbu ldb ldd ldi ldl ldo lds ldt ldu lib lid lii lil lio lis lit liu llb lld lli lll llo lls llt llu lob lod loi lol loo los lot lou lsb lsd lsi lsl lso lss lst lsu ltb ltd lti ltl lto lts ltt ltu lub lud lui lul luo lus lut luu o-i ob- obb obd obi obl obo obs obt obu odb odd odi odl odo ods odt odu oib oid oii oil oio ois oit oiu olb old oli oll olo ols olt olu oo- oob ood ooi ool ooo oos oot os- osb osd osi osl oso oss ost osu ot- otb otd oti otl oto ots ott otu ou- oud oui oul ouo ous out sbb sbd sbi sbl sbo sbs sbt sbu sdb sdd sdi sdl sdo sds sdt sdu sib sid sii sil sio sis sit siu slb sld sli sll slo sls slt slu sob sod soi sol soo sos sot sou ss- ssb ssd ssi ssl sso sss sst ssu stb std sti stl sto sts stt stu sub sud sui sul suo sus sut suu tbb tbd tbi tbl tbo tbs tbt tbu tdb tdd tdi tdl tdo tds tdt tdu tib tid tii til tio tis tit tiu tld tli tll tlo tls tlt tlu to- tob tod toi tol too tos tot tou tsb tsd tsi tsl tso tss tst tsu ttb ttd tti ttl tto tts ttt ttu tub tud tui tul tuo tus tut tuu ubb ubi ubl ubo ubs ubt ubu udb udd udi udl udo uds udt udu uib uid uii uil uio uis uit uiu ulb uld uli ull ulo uls ult ulu uob uod uol uoo uos uot usb usd usi usl uso uss ust usu utb utd uti utl uto uts utt utu uus uut uuu