a-a a-c aaa aac aaf aao aar aas aau ac- aca acc acf aco acr acs acu af- afa afc aff afo afr afs afu aoa aoc aof aoo aor aos aou ar- ara arc arf aro arr ars aru as- asa asc asf aso asr ass asu au- aua auc auf auo aur aus c-- caa cac caf cao car cas cau cca ccc ccf cco ccr ccs ccu cfa cfc cff cfo cfr cfs cfu co- coa coc cof coo cor cos cou cra crc crf cro crr crs cru csa csc csf cso csr css csu cua cuc cuf cuo cur cus cuu faa fac faf fao far fas fau fca fcc fcf fco fcr fcs fcu ffa ffc fff ffo ffr ffs ffu foa foc fof foo for fos fou fra frc frf fro frr frs fru fsa fsc fsf fso fsr fss fsu fua fuf fuo fur fus fuu oaa oac oaf oao oar oas oau oc- oca occ ocf oco ocr ocs ocu of- ofa ofc off ofo ofr ofs ofu oo- ooa ooc oof ooo oor oos or- ora orc orf oro orr ors oru os- osa osc osf oso osr oss osu ou- oua ouc ouf ouo our ous ra- raa rac raf rao rar ras rau rca rcc rcf rco rcr rcs rcu rfa rfc rff rfo rfr rfs rfu roa roc rof roo ror ros rou rra rrc rrf rrr rrs rru rsa rsc rsf rso rsr rss rsu rua ruc ruf ruo rur rus ruu saa sac saf sao sar sas sau sca scc scf sco scr scs scu sfa sfc sff sfo sfr sfs sfu soa soc sof soo sor sos sou sr- sra src srf sro srr srs ss- ssa ssc ssf sso ssr sss ssu sua suc suf suo sur sus suu ua- uaa uac uaf uao uar uas uau uca ucc ucf uco ucr ucs ucu ufa ufc uff ufo ufr ufs ufu uoa uoc uoo uor uos ur- ura urc urf uro urr urs uru usa usc usf uso usr uss usu uua uuc uur uus uuu

-ous a-fu aaaa aaac aaaf aaar aaas aaca aacc aacf aaco aacr aacs aacu aafa aafc aaff aaoo aara aarc aaro aars aaru aasa aasc aasf aass aasu aaus acaa acac acar acas acca accc accf acco accs accu acfc acfs acoa acor acos acou acr- acra acrc acro acrr acrs acsa acsc acss acu- acuf acuo acur acus afaa afao afar afca afcc afcs afcu affa affc affo affs afoa afoo afor afr- afra afrc afro afrs afru afsa afsc afua afus aoca aocs aora aors aoss aouf aous arac araf arar aras arau arc- arca arco arcs arfa arfc arff arfs arfu aroa aroo aror aros arr- arra arrc arro arrr arrs arru ars- arsa arsc arso arsu arua asaa asac asaf asao asar asas asau asc- asca ascc asco ascr asfa asoc asof asor asos asou asra asrc asro asrs asru assa assc asso assr asss assu asur asus auaa auca aufc aufs aur- aura auro ausa ausu caaa caac caaf caas cac- caca cacc caco cacr cafa cafc caff cafs cafu caor caos cara carc carf caro carr cars casa casc caso casr cass casu cauc cauf cauo caus ccaa ccac ccaf ccar ccas ccca cccc cccf cccs cccu ccfa ccfc ccff ccoc ccra ccrc ccrf ccrs ccsa ccsf ccss ccuc ccus cfaa cfac cfao cfar cfca cfcf cfco cfcs cffr cfoa cfor cfos cfra cfsa coas coca coco cocu cofc coff cofs coof coos cor- cora corc corf coro corr cors cosa cosc coso coss coua cour cous crac craf crar cras crau crca crcc crcr crfc crfs croc croo cror crsa crss crus csaa csac csao csar csas cscc cscf csco cscr cscs csfc csfr csor csos csra csrc csrs cssa cssr csua csuf csur csus cuau cuca cucc cufa cufc cuff cufo cura curf curo curr curs cusa cuso cuss cusu faaa faac faas faca facc facs fafa fafc faff fafo fara farc faro farr fars faru fasa fasc faso fass faur fcar fcas fcca fccf fcra fcsc ffar ffcc ffff ffrr ffsa ffss foaf foar foca foco focs fofo foof foos for- fora foro forr fors fosa foso foss foua four fous frac fras frau frcc frfc fros frou frsc frso fsas fscc fsfo fsra fssa fssc fssf fuar fuc- fuca fufc fuff fufu fuor fur- fura furo furr furs fusa fusc fuso fuss fusu oaau oafc oafo oafs oara oars oasc oass ocac ocas occa occc ocfa ocos ocra ocro ocrr ocrs ocsa ocur ofas ofcr off- offa offc offo offr offs offu ofor ofra ofus ooaa oocr ooff oofs oooo ooos oora oosa oous orac orao orar oras orca orco orcs orff orfs orfu oro- orof oror oros orra orro orrs orsa orso orsu orus osaf osar osas osca oscc osco osfa osoo osor osos osro ossa osso ossu ouac oucc oufc ouff our- oura ouro ours ousa ouu- raaf raas rac- raca racc raco racs racu rafa rafc raff raoc raos rara rarf raro rars rasa rasc raso rass rasu raua rauc rauf raus rcac rcaf rcas rccc rccs rcfc rcos rcsa rcsc rcss rffc roaf roar roas roca rocc roco rocs rofc roff rofo roof roor roos rora rorc roro roru rosa rosc roso ross roua rouf rous rras rrfc rrrr rsaa rsaf rscc rscs rsfc rsos rssa rsua ruas ruca rufa rufc ruff rufo rura rurc ruro rurs ruru rusa ruso russ rusu s-os sa-c saac saaf saar saas saca sacc saco sacr sacs sacu safa safc saff safo safr safu saor saos saou sara sarc sarf saro sarr sars saru sasa sasc sasf saso sass saua sauc sauf saur saus scaa scac scaf scar scas sccc sccs scfa scfc scoo scor scr- scra scrc scrs scsa scsc scso scsr scsu scua scur sfar sfas sfca sfcc sfco sfcs sffc sfor sfos sfra sfrc sfro sfss sfsu soar soas soca soco socr socs sofa