a-a a-b a-q aaa aab aam aao aaq aar aau ab- aba abb abm abo abq abr abu ama amb amm amo amq amr amu aoa aob aom aoo aor aou aqa aqm aqo aqr ar- ara arb arm aro arq arr aru au- aua aub aum auo aur b-u baa bab bam bao baq bar bau bba bbb bbm bbo bbq bbr bbu bma bmb bmm bmo bmq bmr bmu boa bob bom boo boq bor bou bra brb brm bro brq brr bru bua bub bum buo bur buu m-o m-r maa mab mam mao mar mau mba mbb mbm mbo mbq mbr mbu mma mmb mmm mmo mmr mmu moa mob mom moo mor mou mqa mqb mqr mra mrb mrm mro mrq mrr mru mua mub mum mur muu oaa oab oam oao oaq oar oau ob- oba obb obm obo obr obu om- oma omb omm omo omr omu oo- ooa oob oom ooo oor oqb oqo or- ora orb orm oro orr oru ou- oua oum ouo our qaa qam qar qau qba qbq qma qmr qmu qom qoo qor qqq qqu qra qrb qrm qru qu- qua qum quo qur ra- raa rab ram rao raq rar rau rba rbb rbm rbo rbr rbu rma rmb rmm rmo rmq rmr roa rob rom roo ror rou rqm rra rrb rrm rrq rrr rru rua rub rum ruo rur ruu ua- uaa uab uam uao uaq uar uau uba ubb ubo ubr ubu um- uma umb umm umo umr umu uoa uob uom uoo uor ur- ura urb urm uro urr uru uua uum uur uuu