-al -ly a-a a-b a-c aaa aab aac aad aal aas aau aay ab- aba abb abc abd abl abs abu aby ac- aca acb acc acd acl acs acu acy ad- ada adb adc add adl ads adu ady al- ala alb alc ald all als alu aly as- asa asb asc asd asl ass asu asy au- aua aub auc aud aul aus ay- aya ayc ayd ayl ays ayu b-u baa bab bac bad bal bas bau bay bba bbb bbc bbd bbl bbs bbu bby bca bcb bcc bcd bcl bcs bcu bcy bda bdb bdc bdd bdl bds bdu bdy bla blb blc bld bll bls blu bly bsa bsb bsc bsd bsl bss bsu bsy bua bub buc bud bul bus buu buy by- bya byc byd byl bys byu c-- caa cab cac cad cal cas cau cay cba cbb cbc cbd cbl cbs cbu cby cca ccb ccc ccd ccl ccs ccu cda cdb cdc cdd cdl cds cdu cdy cl- cla clb clc cld cll cls clu cly csa csb csc csd csl css csu csy cua cub cuc cud cul cus cuu cuy cya cyb cyc cyd cyl cys daa dab dac dad dal das dau day dba dbb dbc dbd dbl dbs dbu dby dca dcb dcc dcd dcl dcs dcu dda ddb ddc ddd ddl dds ddu ddy dl- dla dlb dlc dld dll dls dlu dly dsa dsb dsc dsd dsl dss dsu dsy dua dub duc dud dul dus duy dy- dya dyb dyc dyd dys dyu dyy la- laa lab lac lad lal las lau lay lba lbb lbc lbd lbl lbs lbu lca lcb lcc lcd lcl lcs lcu lcy lda ldb ldc ldd ldl lds ldu ldy lla llb llc lld lll lls llu lly lsa lsb lsc lsd lsl lss lsu lua lub luc lud lul lus luu luy lya lyc lyd lyl lys saa sab sac sad sal sas sau say sba sbb sbc sbd sbl sbs sbu sby sca scb scc scd scl scs scu sda sdb sdc sdd sdl sds sdu sdy sla slb slc sld sll sls slu sly ss- ssa ssb ssc ssd ssl sss ssu sua sub suc sud sul sus suu suy sy- sya syb syc syd syl sys syu ua- uaa uab uac uad ual uas uau uay uba ubb ubc ubl ubs ubu uby uca ucb ucc ucd ucl ucs ucu uda udb udc udd udl uds udu ula ulb ulc uld ull uls ulu uly usa usb usc usd usl uss usu uua uuc uus uuu uyc uys uyu yaa yab yac yad yal yas yau yay ybc ybl ybs yby yca ycc ycd ycl ycs ycu ycy yda ydl yds ydy ylc yld yll yls yly ysa ysb ysc ysl yss ysu ysy yua yud yul yus yuu yuy yyb yyc yys yyu yyy