-er a-a a-b a-q aaa aab aae aah aaq aar aau ab- aba abb abe abh abq abr abu aea aeb aee aeh aeq aer aeu aha ahb ahe ahh ahq ahr ahu aqa aqr ar- ara arb are arh arq arr aru au- aua aub aue auh aur b-u baa bab bae bah baq bar bau bba bbb bbe bbh bbq bbr bbu be- bea beb bee beh beq ber beu bha bhb bhe bhh bhq bhr bhu bqe bra brb bre brh brq brr bru bua bub bue buh bur buu eaa eab eae eah ear eau eba ebb ebe ebh ebq ebr ebu eea eeb eee eer eha ehb ehe ehh ehr ehu eqa eqe eqq equ era erb ere erh erq err eru eu- eua eub eue eur haa hab hae hah haq har hau hba hbb hbe hbh hbr hbu he- hea heb hee heh her heu hha hhb hhe hhh hhr hhu hr- hra hrb hre hrh hrr hru hua hub hue huh huq hur huu qaa qah qar qau qba qbe qbq qee qeh qqq qqu qra qrb qre qrh qru qu- qua que quh qur ra- raa rab rae rah raq rar rau rba rbb rbe rbh rbr rbu re- rea reb ree reh req rer reu rh- rha rhb rhe rhh rhr rhu rra rrb rrh rrq rrr rru rua rub rue ruh rur ruu ua- uaa uab uae uah uaq uar uau uba ubb ube ubh ubr ubu uea ueb uee ueh uer uha uhb uhe uhh uhq uhr uhu ur- ura urb ure urr uru uua uue uur uuu