-al -ly a-a a-b a-c aaa aab aac aaf aak aal aas aay ab- aba abb abc abf abk abl abs aby ac- aca acb acc acf ack acl acs acy af- afa afb afc aff afk afl afs afy aka akb akc akk akl aks al- ala alb alc alf alk all als aly as- asa asb asc asf ask asl ass asy ay- aya ayc ayf ayk ayl ays baa bab bac baf bak bal bas bay bba bbb bbc bbf bbk bbl bbs bby bca bcb bcc bcf bck bcl bcs bcy bfa bfb bfc bff bfl bfs bfy bka bkb bkc bkf bkk bkl bks bla blb blc blf blk bll bls bly bsa bsb bsc bsf bsk bsl bss bsy by- bya byc byf byk byl bys c-- caa cab cac caf cak cal cas cay cba cbb cbc cbf cbk cbl cbs cby cca ccb ccc ccf cck ccl ccs cfa cfb cfc cff cfk cfl cfs cka ckb ckc cks cky cl- cla clb clc clf clk cll cls cly csa csb csc csf csk csl css csy cya cyb cyc cyf cyk cyl cys faa fab fac faf fak fal fas fay fba fbb fbc fbf fbk fbl fbs fca fcb fcc fcf fck fcl fcs fcy ffa ffc fff ffk ffl ffs ffy fka fkb fkc fkf fkk fkl fla flb flc flf fll fls fly fsa fsb fsc fsf fsk fsl fss fy- fya fyb fyc fyk ka- kaa kab kac kaf kak kal kas kay kba kbb kbc kbf kbk kbl kbs kca kcb kcc kck kcl kcs kfa kfc kff kfs kkb kkc kkk kkl kks kky kl- kla klb klc klf kls kly ksa ksb ksc ksf ksk ksl kss kya kyc kyl kys la- laa lab lac laf lak lal las lay lba lbb lbc lbf lbk lbl lbs lca lcb lcc lcf lck lcl lcs lcy lfa lfb lfc lff lfk lfl lfs lka lkb lkl lks lky lla llb llc llf llk lll lls lly lsa lsb lsc lsf lsk lsl lss lya lyc lyf lyk lyl lys saa sab sac saf sak sal sas say sba sbb sbc sbf sbk sbl sbs sby sca scb scc scf sck scl scs sfa sfb sfc sff sfk sfl sfs sk- ska skb skc skf skk skl sks sky sla slb slc slf slk sll sls sly ss- ssa ssb ssc ssf ssk ssl sss sy- sya syb syc syk syl sys yaa yab yac yaf yak yal yas yay ybc ybf ybl ybs yby yca ycc ycf ycl ycs ycy yfa yfc yff yfs yka ykk ylc ylk yll yls yly ysa ysb ysc ysk ysl yss ysy yyb yyc yyf yys yyy