-al -ol a-a a-b aaa aab aah aal aan aao aar aau ab- aba abb abh abl abn abo abr abu aha ahb ahh ahl ahn aho ahr ahu al- ala alb alh all aln alo alr alu an- ana anb anh anl ann ano anr anu aoa aob aoh aol aon aoo aor aou ar- ara arb arh arl arn aro arr aru au- aua aub auh aul aun auo aur b-u baa bab bah bal ban bao bar bau bba bbb bbh bbl bbn bbo bbr bbu bha bhb bhh bhl bho bhr bhu bla blb blh bll bln blo blr blu bna bnb bnl bnn bno bnr bnu boa bob boh bol bon boo bor bou bra brb brh brl brn bro brr bru bua bub buh bul bun buo bur buu haa hab hah hal han hao har hau hba hbb hbh hbl hbn hbo hbr hbu hha hhb hhh hhl hhn hho hhr hhu hla hlb hlh hll hln hlo hlr hlu hna hnb hnh hnl hnn hno hnu hoa hob hoh hol hon hoo hor hou hr- hra hrb hrh hrl hrn hro hrr hru hua hub huh hul hun huo hur huu la- laa lab lah lal lan lao lar lau lba lbb lbh lbl lbo lbr lbu lha lhb lhh lho lhr lhu lla llb lll lln llo llr llu lna lnb lnh lnl lnn lno lnr lnu loa lob loh lol lon loo lor lou lra lrb lrh lrn lro lrr lru lua lub luh lul lun luo lur luu naa nab nah nal nan nao nar nau nba nbb nbl nbn nbo nbr nbu nha nhb nhh nhl nhn nhr nhu nla nlb nlh nll nln nlo nlr nlu nna nnb nnh nnl nnn nno nnu no- noa nob noh nol non noo nor nou nra nrb nrl nrn nro nrr nru nua nub nuh nul nun nuo nur nuu oaa oab oah oal oan oao oar oau ob- oba obb obh obl obn obo obr obu oha ohh ohl ohn oho ohr ohu ola olb oll oln olo olu on- ona onb onh onl onn ono onr onu oo- ooa oob ooh ool oon ooo oor or- ora orb orh orl orn oro orr oru ou- oua ouh oul oun ouo our ra- raa rab rah ral ran rao rar rau rba rbb rbh rbl rbn rbo rbr rbu rh- rha rhb rhh rhl rhn rho rhr rhu rla rlh rll rln rlo rlr rlu rna rnb rnh rnn rno rnr rnu roa rob roh rol ron roo ror rou rra rrb rrh rrl rrn rrr rru rua rub ruh run ruo rur ruu ua- uaa uab uah ual uan uao uar uau uba ubb ubh ubl ubn ubo ubr ubu uha uhb uhh uhl uho uhr uhu ula ulb ull uln ulo ulr ulu un- una unb unh unl unn uno unr unu uoa uob uol uon uoo uor ur- ura urb url urn uro urr uru uua uun uur uuu