a-a a-c aaa aac aaf aar aas aau aay ac- aca acc acf acr acs acu acy af- afa afc aff afr afs afu afy ar- ara arc arf arr ars aru ary as- asa asc asf asr ass asu asy au- aua auc auf aur aus ay- aya ayc ayf ayr ays ayu c-- caa cac caf car cas cau cay cca ccc ccf ccr ccs ccu cfa cfc cff cfr cfs cfu cra crc crf crr crs cru cry csa csc csf csr css csu csy cua cuc cuf cur cus cuu cuy cya cyc cyf cyr cys faa fac faf far fas fau fay fca fcc fcf fcr fcs fcu fcy ffa ffc fff ffr ffs ffu ffy fra frc frf frr frs fru fry fsa fsc fsf fsr fss fsu fua fuf fur fus fuu fy- fya fyc ra- raa rac raf rar ras rau ray rca rcc rcf rcr rcs rcu rfa rfc rff rfr rfs rfu rra rrc rrf rrr rrs rru rsa rsc rsf rsr rss rsu rua ruc ruf rur rus ruu ruy ry- rya ryc ryf ryr rys ryu ryy saa sac saf sar sas sau say sca scc scf scr scs scu sfa sfc sff sfr sfs sfu sr- sra src srf srr srs sry ss- ssa ssc ssf ssr sss ssu sua suc suf sur sus suu suy sy- sya syc syr sys syu ua- uaa uac uaf uar uas uau uay uca ucc ucf ucr ucs ucu ufa ufc uff ufr ufs ufu ur- ura urc urf urr urs uru ury usa usc usf usr uss usu uua uuc uur uus uuu uyc uys uyu yaa yac yaf yar yas yau yay yca ycc ycf ycs ycu ycy yfa yfc yff yfr yfs yfu yra yrc yrf yrs yru ysa ysc ysr yss ysu ysy yua yur yus yuu yuy yyc yyf yys yyu yyy