-ly -ol b-u bbb bbd bbl bbo bbs bbt bbu bby bdb bdd bdl bdo bds bdt bdu bdy blb bld bll blo bls blt blu bly bob bod bol boo bos bot bou boy bsb bsd bsl bso bss bst bsu bsy btb btd btl bto bts btt btu bty bub bud bul buo bus but buu buy by- byd byl byo bys byt byu dbb dbd dbl dbo dbs dbt dbu dby ddb ddd ddl ddo dds ddt ddu ddy dl- dlb dld dll dlo dls dlt dlu dly dob dod dol doo dos dot dou doy dsb dsd dsl dso dss dst dsu dsy dtb dtd dtl dto dts dtt dtu dty dub dud dul duo dus dut duy dy- dyb dyd dyo dys dyu dyy lbb lbd lbl lbo lbs lbt lbu ldb ldd ldl ldo lds ldt ldu ldy llb lld lll llo lls llt llu lly lob lod lol loo los lot lou loy lsb lsd lsl lso lss lst lsu ltb ltd ltl lto lts ltt ltu lub lud lul luo lus lut luu luy lyd lyl lyo lys lyt ob- obb obd obl obo obs obt obu oby odb odd odl odo ods odt odu olb old oll olo ols olt olu oly oo- oob ood ool ooo oos oot os- osb osd osl oso oss ost osu ot- otb otd otl oto ots ott otu ou- oud oul ouo ous out oyd oyl oyo oys sbb sbd sbl sbo sbs sbt sbu sby sdb sdd sdl sdo sds sdt sdu sdy slb sld sll slo sls slt slu sly sob sod sol soo sos sot sou soy ss- ssb ssd ssl sso sss sst ssu stb std stl sto sts stt stu sty sub sud sul suo sus sut suu suy sy- syb syd syl sys syt syu tbb tbd tbl tbo tbs tbt tbu tdb tdd tdl tdo tds tdt tdu tdy tld tll tlo tls tlt tlu to- tob tod tol too tos tot tou toy tsb tsd tsl tso tss tst tsu tsy ttb ttd ttl tto tts ttt ttu tty tub tud tul tuo tus tut tuu tuy tyd tyl tyo tys tyt ubb ubl ubo ubs ubt ubu uby udb udd udl udo uds udt udu ulb uld ull ulo uls ult ulu uly uob uod uol uoo uos uot usb usd usl uso uss ust usu utb utd utl uto uts utt utu uty uus uut uuu uyo uys uyu ybl ybs yby ydl ydo yds ydt ydy yld yll yls ylt yly yob yod yol yoo yos yot you yoy ysb ysl yso yss yst ysu ysy ytd ytl yto yts ytt ytu yud yul yuo yus yut yuu yuy yyb yys yyt yyu yyy