a-a a-b a-c a-q aaa aab aac aam aao aaq aau ab- aba abb abc abm abo abq abu ac- aca acb acc acm aco acq acu ama amb amc amm amo amq amu aoa aob aoc aom aoo aou aqa aqc aqm aqo au- aua aub auc aum auo b-u baa bab bac bam bao baq bau bba bbb bbc bbm bbo bbq bbu bca bcb bcc bcm bco bcq bcu bma bmb bmc bmm bmo bmq bmu boa bob boc bom boo boq bou bqc bua bub buc bum buo buu c-- caa cab cac cam cao caq cau cba cbb cbc cbm cbo cbq cbu cca ccb ccc ccm cco ccu cma cmb cmc cmm cmo cmq cmu co- coa cob coc com coo coq cou cqa cqb cqc cqm cqo cua cub cuc cum cuo cuq cuu m-o maa mab mac mam mao mau mba mbb mbc mbm mbo mbq mbu mc- mca mcb mcc mcm mco mcq mcu mma mmb mmc mmm mmo mmu moa mob moc mom moo mou mqa mqb mua mub muc mum muu oaa oab oac oam oao oaq oau ob- oba obb obc obm obo obu oc- oca ocb occ ocm oco ocu om- oma omb omc omm omo omu oo- ooa oob ooc oom ooo oqb oqo ou- oua ouc oum ouo qaa qac qam qau qba qbc qbq qca qcc qcm qco qma qmc qmu qom qoo qqq qqu qu- qua qum quo ua- uaa uab uac uam uao uaq uau uba ubb ubc ubo ubu uca ucb ucc ucm uco ucu um- uma umb umc umm umo umu uoa uob uoc uom uoo uua uuc uum uuu