-ol b-u bbb bbd bbh bbl bbo bbu bdb bdd bdh bdl bdo bdu bdz bhb bhd bhh bhl bho bhu blb bld blh bll blo blu blz bob bod boh bol boo bou boz bub bud buh bul buo buu buz bzd bzh bzo bzu bzz dbb dbd dbh dbl dbo dbu dbz ddb ddd ddh ddl ddo ddu ddz dh- dhb dhd dhh dhl dho dhu dl- dlb dld dlh dll dlo dlu dob dod doh dol doo dou doz dub dud duh dul duo duz dzb dzd dzo dzu hbb hbd hbh hbl hbo hbu hbz hdb hdd hdh hdl hdo hdu hdz hhb hhd hhh hhl hho hhu hhz hlb hld hlh hll hlo hlu hlz hob hod hoh hol hoo hou hub hud huh hul huo huu huz hzd hzl hzo lbb lbd lbh lbl lbo lbu ldb ldd ldh ldl ldo ldu lhb lhd lhh lho lhu lhz llb lld lll llo llu llz lob lod loh lol loo lou loz lub lud luh lul luo luu luz lzh lzo lzu ob- obb obd obh obl obo obu odb odd odh odl odo odu ohd ohh ohl oho ohu olb old oll olo olu oo- oob ood ooh ool ooo ou- oud ouh oul ouo ozo ozu ozz ubb ubh ubl ubo ubu udb udd udl udo udu uhb uhd uhh uhl uho uhu ulb uld ull ulo ulu uob uod uol uoo uuu uzb uzh uzo uzu zbb zbl zhl zho zhu zo- zob zod zol zoo zou zub zud zul zuz zzz