a-a a-c a-q aaa aac aao aaq aar aas aau ac- aca acc aco acq acr acs acu aoa aoc aoo aor aos aou aqa aqc aqo aqr aqs ar- ara arc aro arq arr ars aru as- asa asc aso asq asr ass asu au- aua auc auo aur aus c-- caa cac cao caq car cas cau cca ccc cco ccr ccs ccu co- coa coc coo coq cor cos cou cqa cqc cqo cqs cra crc cro crq crr crs cru csa csc cso csq csr css csu cua cuc cuo cuq cur cus cuu oaa oac oao oaq oar oas oau oc- oca occ oco ocr ocs ocu oo- ooa ooc ooo oor oos oqo or- ora orc oro orr ors oru os- osa osc oso osq osr oss osu ou- oua ouc ouo our ous qaa qac qar qas qau qca qcc qco qcs qoo qor qos qqq qqu qra qrc qrs qru qsa qsc qso qsr qu- qua quo qur qus ra- raa rac rao raq rar ras rau rca rcc rco rcr rcs rcu roa roc roo ror ros rou rqc rqs rra rrc rrq rrr rrs rru rsa rsc rso rsq rsr rss rsu rua ruc ruo rur rus ruu saa sac sao saq sar sas sau sca scc sco scr scs scu soa soc soo soq sor sos sou sqa sqq sqr sqs sr- sra src sro srq srr srs ss- ssa ssc sso ssq ssr sss ssu sua suc suo suq sur sus suu ua- uaa uac uao uaq uar uas uau uca ucc uco ucr ucs ucu uoa uoc uoo uor uos ur- ura urc uro urr urs uru usa usc uso usr uss usu uua uuc uur uus uuu