-al -ol a-a a-b a-z aaa aab aal aao aau aaz ab- aba abb abl abo abu abz al- ala alb all alo alu alz aoa aob aol aoo aou au- aua aub aul auo auz az- aza azb azo azu azz b-u baa bab bal bao bau baz bba bbb bbl bbo bbu bla blb bll blo blu blz boa bob bol boo bou boz bua bub bul buo buu buz bza bzo bzu bzz la- laa lab lal lao lau laz lba lbb lbl lbo lbu lla llb lll llo llu llz loa lob lol loo lou loz lua lub lul luo luu luz lzo lzu oaa oab oal oao oau ob- oba obb obl obo obu ola olb oll olo olu oo- ooa oob ool ooo ou- oua oul ouo oza ozo ozu ozz ua- uaa uab ual uao uau uaz uba ubb ubl ubo ubu ula ulb ull ulo ulu uoa uob uol uoo uua uuu uza uzb uzo uzu zaa zab zao zaz zbb zbl zla zo- zoa zob zol zoo zou zub zul zuz zzz