-up a-a a-c aaa aac aad aao aap aar aas aau ac- aca acc acd aco acp acr acs acu ad- ada adc add ado adp adr ads adu aoa aoc aod aoo aop aor aos aou ap- apa apc apd apo app apr aps apu ar- ara arc ard aro arp arr ars aru as- asa asc asd aso asp asr ass asu au- aua auc aud auo aup aur aus c-- caa cac cad cao cap car cas cau cca ccc ccd cco ccp ccr ccs ccu cda cdc cdd cdo cdp cdr cds cdu co- coa coc cod coo cop cor cos cou cpa cpc cpd cpo cpp cpr cps cpu cra crc crd cro crp crr crs cru csa csc csd cso csp csr css csu cua cuc cud cuo cup cur cus cuu daa dac dad dao dap dar das dau dca dcc dcd dco dcp dcr dcs dcu dda ddc ddd ddo ddp ddr dds ddu doa doc dod doo dop dor dos dou dpa dpc dpd dpo dpp dpr dps dpu dra drc drd dro drp drr drs dru dsa dsc dsd dso dsp dsr dss dsu dua duc dud duo dup dur dus oaa oac oad oao oap oar oas oau oc- oca occ ocd oco ocp ocr ocs ocu oda odc odd odo odp odr ods odu oo- ooa ooc ood ooo oop oor oos op- opa opc opd opo opp opr ops or- ora orc ord oro orp orr ors oru os- osa osc osd oso osp osr oss osu ou- oua ouc oud ouo oup our ous p-p paa pac pad pao pap par pas pau pca pcc pcd pco pcp pcr pcs pcu pda pdc pdd pdo pdp pdr pds pdu poa poc pod poo pop por pos pou ppa ppc ppd ppo ppp ppr pps ppu pra prc prd pro prp prr prs pru ps- psa psc psd pso psp psr pss psu pua puc pud pup pur pus puu ra- raa rac rad rao rap rar ras rau rca rcc rcd rco rcp rcr rcs rcu rda rdc rdd rdo rdp rdr rds rdu roa roc rod roo rop ror ros rou rpa rpc rpd rpo rpp rpr rps rpu rra rrc rrd rrp rrr rrs rru rsa rsc rsd rso rsp rsr rss rsu rua ruc rud ruo rup rur rus ruu saa sac sad sao sap sar sas sau sca scc scd sco scp scr scs scu sda sdc sdd sdo sdp sdr sds sdu soa soc sod soo sop sor sos sou spa spc spd spo spp spr sps spu sr- sra src srd sro srp srr srs ss- ssa ssc ssd sso ssp ssr sss ssu sua suc sud suo sup sur sus suu ua- uaa uac uad uao uap uar uas uau uca ucc ucd uco ucp ucr ucs ucu uda udc udd udo udp udr uds udu uoa uoc uod uoo uop uor uos up- upa upc upd upo upp upr ups upu ur- ura urc urd uro urp urr urs uru usa usc usd uso usp usr uss usu uua uuc uur uus uuu