a-a a-c aaa aac aad aaf aao aar aas ac- aca acc acd acf aco acr acs ad- ada adc add adf ado adr ads af- afa afc afd aff afo afr afs aoa aoc aod aof aoo aor aos ar- ara arc ard arf aro arr ars as- asa asc asd asf aso asr ass c-- caa cac cad caf cao car cas cca ccc ccd ccf cco ccr ccs cda cdc cdd cdf cdo cdr cds cfa cfc cfd cff cfo cfr cfs co- coa coc cod cof coo cor cos cra crc crd crf cro crr crs csa csc csd csf cso csr css daa dac dad daf dao dar das dca dcc dcd dcf dco dcr dcs dda ddc ddd ddf ddo ddr dds dfa dfc dfd dff dfo dfr dfs doa doc dod dof doo dor dos dra drc drd dro drr drs dsa dsc dsd dsf dso dsr dss faa fac fad faf fao far fas fca fcc fcd fcf fco fcr fcs fda fdc fdd fdf fdo fdr fds ffa ffc ffd fff ffo ffr ffs foa foc fof foo for fos fra frc frd frf fro frr frs fsa fsc fsd fsf fso fsr fss oaa oac oad oaf oao oar oas oc- oca occ ocd ocf oco ocr ocs oda odc odd odf odo odr ods of- ofa ofc ofd off ofo ofr ofs oo- ooa ooc ood oof ooo oor oos or- ora orc ord orf oro orr ors os- osa osc osd osf oso osr oss ra- raa rac rad raf rao rar ras rca rcc rcd rcf rco rcr rcs rda rdc rdd rdf rdo rdr rds rfa rfc rfd rff rfo rfr rfs roa roc rod rof roo ror ros rra rrc rrd rrf rrr rrs rsa rsc rsd rsf rso rsr rss saa sac sad saf sao sar sas sca scc scd scf sco scr scs sda sdc sdd sdf sdo sdr sds sfa sfc sfd sff sfo sfr sfs soa soc sod sof soo sor sos sr- sra src srd srf sro srr srs ss- ssa ssc ssd ssf sso ssr sss

a-do aaaa aaac aaad aaaf aaar aaas aaca aacc aacd aacf aaco aacr aacs aada aadc aads aafa aafc aafd aaff aaoo aara aarc aard aaro aars aasa aasc aasd aasf aass acaa acac acad acar acas acca accc accd accf acco accs acda acdc acdf acds acfc acfd acfs acoa acod acor acos acr- acra acrc acro acrr acrs acsa acsc acsd acss adaa adac adad adao adar adas adcc adcs adda addc addd addo addr adds adfa adfc adfs adoc adod adoo ador ados adra adro adrs adsa adso adsr adss afaa afad afao afar afca afcc afcs afdc affa affc affo affs afoa afoo afor afr- afra afrc afro afrs afsa afsc aoca aocs aora aors aosd aoss arac arad araf arar aras arc- arca arco arcs arda ardc ardf ardo ards arfa arfc arff arfs aroa arod aroo aror aros arr- arra arrc arro arrr arrs ars- arsa arsc arsd arso asaa asac asad asaf asao asar asas asc- asca ascc asco ascr asda asdf asdo asds asfa asoc asod asof asor asos asra asrc asro asrs assa assc assd asso assr asss c-cd caaa caac caaf caas cac- caca cacc caco cacr cada cadc cadd cado cadr cads cafa cafc caff cafs caod caor caos cara carc card carf caro carr cars casa casc casd caso casr cass ccaa ccac ccad ccaf ccar ccas ccca cccc cccf cccs ccdc ccdf ccdr ccds ccfa ccfc ccfd ccff ccoc ccod ccra ccrc ccrf ccrs ccsa ccsd ccsf ccss cd-r cdaa cdac cdad cdcs cdda cddr cdfa cdfs cdos cdrs cdss cfaa cfac cfao cfar cfca cfcf cfco cfcs cfda cfds cffr cfoa cfor cfos cfra cfsa coad coas coca coco coda codd cods cofc coff cofs cood coof coos cor- cora corc cord corf coro corr cors cosa cosc coso coss crac craf crar cras crca crcc crcr crda crdc crfc crfs croc crod croo cror crsa crss csaa csac csao csar csas cscc cscd cscf csco cscr cscs csda csdr csfc csfr csor csos csra csrc csrd csrs cssa cssd cssr daad daar daas daca dacs dada dado dads dafa dafc daff dafo dafs daos dara darc dard darf daro darr dars dasa dasc dasd dass dcas dcca dccc dccs dcds dcfc dcfs dcos dcra dcsc dcss dddd ddoc ddrc ddss dfaf dfas dfcc dfco dfcs dfds dffa dfrf doar doas doca doco docs dod- doda dodd dodo dods doff dood doof door doos dora dorc dord dorf doro dorr dors dosa doso doss draa drac drad draf drar dras drca drda drfc drod drof drra drrs drsa dsac dscc dscr dscs dsda dsdr dsfa dsfc dsoa dsos dsrc dsrr dssa dssc faaa faac faad faas faca facc facs fada fadd fado fads fafa fafc faff fafo fara farc fard faro farr fars fasa fasc fasd faso fass fcar fcas fcca fccf fcda fcds fcra fcsc fdca fdoa fdoc fdos ffar ffcc ffff ffrr ffsa ffss foad foaf foar foca foco focs foda fofo food foof foos for- fora ford foro forr fors fosa foso foss frac frad fras frcc frfc fros frsc frso fsas fscc fsfo fsra fssa fssc fssf oafc oafo oafs oara oars oasc oass ocac ocad ocas occa occc ocds ocfa ocos ocra ocro ocrr ocrs ocsa odac odas odda oddd odds odoo odor odos odra odso ofas ofcr ofdr off- offa offc offo offr offs ofor ofra ooaa oocr ooda ooff oofs oooo ooos oora oord oosa orac orad orao orar oras orca orco orcs orda ordo ords orff orfs oro- orof oror oros orra orro orrs orsa orso osaf osar osas osca oscc osco osfa osoo osor osos osrd osro ossa ossd osso raad raaf raas rac- raca racc raco racs rada radc radd rado radr rads rafa rafc raff raoc raos rara rarf raro rars rasa rasc rasd raso rass rcac rcaf