-al -ol a-a a-b aaa aab aah aal aan aao aau ab- aba abb abh abl abn abo abu aha ahb ahh ahl ahn aho ahu al- ala alb alh all aln alo alu an- ana anb anh anl ann ano anu aoa aob aoh aol aon aoo aou au- aua aub auh aul aun auo b-u baa bab bah bal ban bao bau bba bbb bbh bbl bbn bbo bbu bha bhb bhh bhl bho bhu bla blb blh bll bln blo blu bna bnb bnl bnn bno bnu boa bob boh bol bon boo bou bua bub buh bul bun buo buu haa hab hah hal han hao hau hba hbb hbh hbl hbn hbo hbu hha hhb hhh hhl hhn hho hhu hla hlb hlh hll hln hlo hlu hna hnb hnh hnl hnn hno hnu hoa hob hoh hol hon hoo hou hua hub huh hul hun huo huu la- laa lab lah lal lan lao lau lba lbb lbh lbl lbo lbu lha lhb lhh lho lhu lla llb lll lln llo llu lna lnb lnh lnl lnn lno lnu loa lob loh lol lon loo lou lua lub luh lul lun luo luu naa nab nah nal nan nao nau nba nbb nbl nbn nbo nbu nha nhb nhh nhl nhn nhu nla nlb nlh nll nln nlo nlu nna nnb nnh nnl nnn nno nnu no- noa nob noh nol non noo nou nua nub nuh nul nun nuo nuu oaa oab oah oal oan oao oau ob- oba obb obh obl obn obo obu oha ohh ohl ohn oho ohu ola olb oll oln olo olu on- ona onb onh onl onn ono onu oo- ooa oob ooh ool oon ooo ou- oua ouh oul oun ouo ua- uaa uab uah ual uan uao uau uba ubb ubh ubl ubn ubo ubu uha uhb uhh uhl uho uhu ula ulb ull uln ulo ulu un- una unb unh unl unn uno unu uoa uob uol uon uoo uua uun uuu