-al -ol a-a a-b aaa aab aah aal aao aau aax ab- aba abb abh abl abo abu abx aha ahb ahh ahl aho ahu ahx al- ala alb alh all alo alu alx aoa aob aoh aol aoo aou aox au- aua aub auh aul auo aux ax- axa axh axl axo axx b-u baa bab bah bal bao bau bax bba bbb bbh bbl bbo bbu bbx bha bhb bhh bhl bho bhu bhx bla blb blh bll blo blu blx boa bob boh bol boo bou box bua bub buh bul buo buu bux bxb bxl bxo bxx haa hab hah hal hao hau hax hba hbb hbh hbl hbo hbu hbx hha hhb hhh hhl hho hhu hla hlb hlh hll hlo hlu hlx hoa hob hoh hol hoo hou hox hua hub huh hul huo huu hux hxl la- laa lab lah lal lao lau lax lba lbb lbh lbl lbo lbu lbx lha lhb lhh lho lhu lhx lla llb lll llo llu loa lob loh lol loo lou lox lua lub luh lul luo luu lux lxo lxx oaa oab oah oal oao oau oax ob- oba obb obh obl obo obu obx oha ohh ohl oho ohu ola olb oll olo olu oo- ooa oob ooh ool ooo oox ou- oua ouh oul ouo ox- oxa oxb oxo oxx ua- uaa uab uah ual uao uau uba ubb ubh ubl ubo ubu ubx uha uhb uhh uhl uho uhu ula ulb ull ulo ulu uoa uob uol uoo uox uua uuu uxb uxo uxu xaa xal xau xbl xbx xla xlb xoa xoo xox xul xxl xxo xxx