a-a a-c aaa aac aad aao aar aas aau ac- aca acc acd aco acr acs acu ad- ada adc add ado adr ads adu aoa aoc aod aoo aor aos aou ar- ara arc ard aro arr ars aru as- asa asc asd aso asr ass asu au- aua auc aud auo aur aus c-- caa cac cad cao car cas cau cca ccc ccd cco ccr ccs ccu cda cdc cdd cdo cdr cds cdu co- coa coc cod coo cor cos cou cra crc crd cro crr crs cru csa csc csd cso csr css csu cua cuc cud cuo cur cus cuu daa dac dad dao dar das dau dca dcc dcd dco dcr dcs dcu dda ddc ddd ddo ddr dds ddu doa doc dod doo dor dos dou dra drc drd dro drr drs dru dsa dsc dsd dso dsr dss dsu dua duc dud duo dur dus oaa oac oad oao oar oas oau oc- oca occ ocd oco ocr ocs ocu oda odc odd odo odr ods odu oo- ooa ooc ood ooo oor oos or- ora orc ord oro orr ors oru os- osa osc osd oso osr oss osu ou- oua ouc oud ouo our ous ra- raa rac rad rao rar ras rau rca rcc rcd rco rcr rcs rcu rda rdc rdd rdo rdr rds rdu roa roc rod roo ror ros rou rra rrc rrd rrr rrs rru rsa rsc rsd rso rsr rss rsu rua ruc rud ruo rur rus ruu saa sac sad sao sar sas sau sca scc scd sco scr scs scu sda sdc sdd sdo sdr sds sdu soa soc sod soo sor sos sou sr- sra src srd sro srr srs ss- ssa ssc ssd sso ssr sss ssu sua suc sud suo sur sus suu ua- uaa uac uad uao uar uas uau uca ucc ucd uco ucr ucs ucu uda udc udd udo udr uds udu uoa uoc uod uoo uor uos ur- ura urc urd uro urr urs uru usa usc usd uso usr uss usu uua uuc uur uus uuu