-al -ol a-a a-b aaa aab aad aah aal aao aar aau ab- aba abb abd abh abl abo abr abu ad- ada adb add adh adl ado adr adu aha ahb ahd ahh ahl aho ahr ahu al- ala alb ald alh all alo alr alu aoa aob aod aoh aol aoo aor aou ar- ara arb ard arh arl aro arr aru au- aua aub aud auh aul auo aur b-u baa bab bad bah bal bao bar bau bba bbb bbd bbh bbl bbo bbr bbu bda bdb bdd bdh bdl bdo bdr bdu bha bhb bhd bhh bhl bho bhr bhu bla blb bld blh bll blo blr blu boa bob bod boh bol boo bor bou bra brb brd brh brl bro brr bru bua bub bud buh bul buo bur buu daa dab dad dah dal dao dar dau dba dbb dbd dbh dbl dbo dbr dbu dda ddb ddd ddh ddl ddo ddr ddu dh- dha dhb dhd dhh dhl dho dhr dhu dl- dla dlb dld dlh dll dlo dlr dlu doa dob dod doh dol doo dor dou dra drb drd drl dro drr dru dua dub dud duh dul duo dur haa hab had hah hal hao har hau hba hbb hbd hbh hbl hbo hbr hbu hda hdb hdd hdh hdl hdo hdr hdu hha hhb hhd hhh hhl hho hhr hhu hla hlb hld hlh hll hlo hlr hlu hoa hob hod hoh hol hoo hor hou hr- hra hrb hrd hrh hrl hro hrr hru hua hub hud huh hul huo hur huu la- laa lab lad lah lal lao lar lau lba lbb lbd lbh lbl lbo lbr lbu lda ldb ldd ldh ldl ldo ldr ldu lha lhb lhd lhh lho lhr lhu lla llb lld lll llo llr llu loa lob lod loh lol loo lor lou lra lrb lrd lrh lro lrr lru lua lub lud luh lul luo lur luu oaa oab oad oah oal oao oar oau ob- oba obb obd obh obl obo obr obu oda odb odd odh odl odo odr odu oha ohd ohh ohl oho ohr ohu ola olb old oll olo olu oo- ooa oob ood ooh ool ooo oor or- ora orb ord orh orl oro orr oru ou- oua oud ouh oul ouo our ra- raa rab rad rah ral rao rar rau rba rbb rbd rbh rbl rbo rbr rbu rda rdb rdd rdh rdl rdo rdr rdu rh- rha rhb rhd rhh rhl rho rhr rhu rla rld rlh rll rlo rlr rlu roa rob rod roh rol roo ror rou rra rrb rrd rrh rrl rrr rru rua rub rud ruh ruo rur ruu ua- uaa uab uad uah ual uao uar uau uba ubb ubh ubl ubo ubr ubu uda udb udd udl udo udr udu uha uhb uhd uhh uhl uho uhr uhu ula ulb uld ull ulo ulr ulu uoa uob uod uol uoo uor ur- ura urb urd url uro urr uru uua uur uuu