a-a a-c aaa aac aad aao aap aar aas ac- aca acc acd aco acp acr acs ad- ada adc add ado adp adr ads aoa aoc aod aoo aop aor aos ap- apa apc apd apo app apr aps ar- ara arc ard aro arp arr ars as- asa asc asd aso asp asr ass c-- caa cac cad cao cap car cas cca ccc ccd cco ccp ccr ccs cda cdc cdd cdo cdp cdr cds co- coa coc cod coo cop cor cos cpa cpc cpd cpo cpp cpr cps cra crc crd cro crp crr crs csa csc csd cso csp csr css daa dac dad dao dap dar das dca dcc dcd dco dcp dcr dcs dda ddc ddd ddo ddp ddr dds doa doc dod doo dop dor dos dpa dpc dpd dpo dpp dpr dps dra drc drd dro drp drr drs dsa dsc dsd dso dsp dsr dss oaa oac oad oao oap oar oas oc- oca occ ocd oco ocp ocr ocs oda odc odd odo odp odr ods oo- ooa ooc ood ooo oop oor oos op- opa opc opd opo opp opr ops or- ora orc ord oro orp orr ors os- osa osc osd oso osp osr oss p-p paa pac pad pao pap par pas pca pcc pcd pco pcp pcr pcs pda pdc pdd pdo pdp pdr pds poa poc pod poo pop por pos ppa ppc ppd ppo ppp ppr pps pra prc prd pro prp prr prs ps- psa psc psd pso psp psr pss ra- raa rac rad rao rap rar ras rca rcc rcd rco rcp rcr rcs rda rdc rdd rdo rdp rdr rds roa roc rod roo rop ror ros rpa rpc rpd rpo rpp rpr rps rra rrc rrd rrp rrr rrs rsa rsc rsd rso rsp rsr rss saa sac sad sao sap sar sas sca scc scd sco scp scr scs sda sdc sdd sdo sdp sdr sds soa soc sod soo sop sor sos spa spc spd spo spp spr sps sr- sra src srd sro srp srr srs ss- ssa ssc ssd sso ssp ssr sss

a-do aaaa aaac aaad aaap aaar aaas aaca aacc aacd aaco aacp aacr aacs aada aadc aads aaoo aapa aapc aapo aaps aara aarc aard aaro aarp aars aasa aasc aasd aass acaa acac acad acap acar acas acca accc accd acco accp accs acda acdc acdp acds acoa acod acop acor acos acpa acpd acpr acps acr- acra acrc acro acrr acrs acsa acsc acsd acss adaa adac adad adao adap adar adas adcc adcs adda addc addd addo addr adds adoc adod adoo ador ados adp- adps adra adro adrs adsa adso adsr adss aoca aocs aopo aora aors aosd aosp aoss apac apao apap apar apas apca apcc apcd apco apcr apcs apda apdd apds apo- apoc apod apoo apop apor apos appa appc appd appr apps apra aprc apro aprs apsa apso apss arac arad arap arar aras arc- arca arco arcs arda ardc ardo ards aroa arod aroo aror aros arpa arps arr- arra arrc arro arrr arrs ars- arsa arsc arsd arso asaa asac asad asao asap asar asas asc- asca ascc asco ascp ascr asda asdo asds asoc asod asop asor asos aspa aspc aspd aspo aspr asps asra asrc asro asrs assa assc assd asso assp assr asss c-cd caaa caac caap caas cac- caca cacc caco cacr cada cadc cadd cado cadr cads caod caor caos capa capc capd capo capp caps cara carc card caro carp carr cars casa casc casd caso casp casr cass ccaa ccac ccad ccap ccar ccas ccca cccc cccp cccs ccdc ccdp ccdr ccds ccoc ccod ccpa ccpp ccpr ccps ccra ccrc ccrp ccrs ccsa ccsd ccsp ccss cd-r cdaa cdac cdad cdcs cdda cddr cdos cdps cdrs cdss coad coas coca coco cocp coda codd cods cood coop coos copa copd copo copp copr cops cor- cora corc cord coro corp corr cors cosa cosc coso cosp coss cpaa cpac cpad cpap cpas cpca cpcs cpos cppa cppd cpps cprs cpsa cpsc cpso cpsr crac crap crar cras crca crcc crcr crda crdc croc crod croo crop cror crpc crps crsa crsp crss csaa csac csao csar csas cscc cscd csco cscr cscs csda csdp csdr csor csos cspa cspc cspd csps csra csrc csrd csrs cssa cssd cssr daad daap daar daas daca dacs dada dado dads daos dapa dapp daps dara darc dard daro darp darr dars dasa dasc dasd dass dcas dcca dccc dccp dccs dcds dcop dcos dcpo dcps dcra dcsc dcss dddd ddoc ddpo ddps ddrc ddss doap doar doas doca doco docs dod- doda dodd dodo dods dood doop door doos dopa dopo dopp dopr dops dora dorc dord doro dorp dorr dors dosa doso doss dpaa dpac dpcp dpos dppa dppc dpsd draa drac drad drap drar dras drca drda drod drop drra drrs drsa drsp dsac dsap dscc dscp dscr dscs dsda dsdp dsdr dsoa dsos dsps dsrc dsrp dsrr dssa dssc dssp oaps oara oars oasc oass ocac ocad ocap ocas occa occc ocds ocos ocpa ocpd ocpp ocra ocro ocrr ocrs ocsa odac odas odda oddd odds odoo odop odor odos odra odrp odso ooaa oocr ooda oooo ooos oops oora oord oosa opap opar opca opds opo- opor opos oppa oppo opps opra opsa orac orad orao orar oras orca orco orcs orda ordo ords oro- oror oros orpc orps orra orro orrs orsa orso osap osar osas osca oscc osco osoo osor osos osrd osro ossa ossd osso paap paar paas paca pacd paco pacs pada padd pado pads paoc paos papa papp papr paps par- para parc pard paro parp parr pars pasa pasc pasd paso pasp pass pcaa pcad pcap pcas pcca pccc pccs pcoa pcod pcos pcpp pcps pcra pcrc pcrd pcsa pcso pdac pdas pdca pdcp pdoc pdos pdpa pdpr pdrc pdrs pdsa pdsd pdss poad poar