a-a a-b aaa aab aad aaj aao aar aau ab- aba abb abd abj abo abr abu ad- ada adb add adj ado adr adu aja ajb ajd ajj ajo ajr aju aoa aob aod aoj aoo aor aou ar- ara arb ard arj aro arr aru au- aua aub aud auj auo aur b-u baa bab bad baj bao bar bau bba bbb bbd bbo bbr bbu bda bdb bdd bdj bdo bdr bdu bja bjd bjj bjr bju boa bob bod boj boo bor bou bra brb brd brj bro brr bru bua bub bud buj buo bur buu daa dab dad daj dao dar dau dba dbb dbd dbo dbr dbu dda ddb ddd ddo ddr ddu dj- dja djb djd djo doa dob dod doj doo dor dou dra drb drd drj dro drr dru dua dub dud duo dur j-d jaa jab jad jaj jao jar jau jba jbj jbo jbr jbu jda jdb jdo jdr jja jjb jjj jjr jju joa job jod joj joo jor jou jra jrb jro jrr jub jud juo jur oaa oab oad oaj oao oar oau ob- oba obb obd obj obo obr obu oda odb odd odo odr odu oja ojb ojd ojo oju oo- ooa oob ood ooo oor or- ora orb ord oro orr oru ou- oua oud ouo our ra- raa rab rad raj rao rar rau rba rbb rbd rbo rbr rbu rda rdb rdd rdj rdo rdr rdu rja rjr roa rob rod roj roo ror rou rra rrb rrd rrr rru rua rub rud ruo rur ruu ua- uaa uab uad uaj uao uar uau uba ubb ubo ubr ubu uda udb udd udj udo udr udu ujo uoa uob uod uoj uoo uor ur- ura urb urd uro urr uru uua uur uuu