-al -er a-a a-b a-c a-t aaa aab aac aae aaj aal aar aat ab- aba abb abc abe abj abl abr abt ac- aca acb acc ace acj acl acr act aea aeb aec aee aej ael aer aet aja ajb ajc aje ajj ajl ajr ajt al- ala alb alc ale alj all alr alt ar- ara arb arc are arj arl arr art at- ata atb atc ate atl atr att baa bab bac bae baj bal bar bat bba bbb bbc bbe bbl bbr bbt bca bcb bcc bce bcj bcl bcr bct be- bea beb bec bee bel ber bet bja bjc bjj bjr bjt bla blb blc ble blj bll blr blt bra brb bre brj brl brr brt bta btb btc bte btl btr btt c-- c-j caa cab cac cae caj cal car cat cba cbb cbc cbe cbj cbl cbr cbt cca ccb ccc cce ccj ccl ccr cct ce- cea ceb cec cee cej cel cer cet cja cjb cjc cjr cl- cla clb clc cle clj cll clr clt cra crb crc cre crj crl crr crt cta ctb ctc cte ctl ctr ctt eaa eab eac eae eaj eal ear eat eba ebb ebc ebe ebj ebl ebr ebt ec- eca ecb ecc ece ecj ecl ecr ect eea eeb eec eee eel eer eet eja ejc ejl ejt ela elb elc ele ell elr elt era erb erc ere erl err ert eta etb etc ete etj etl etr ett jaa jab jac jae jaj jal jar jat jba jbc jbj jbl jbr jbt jca jcb jcc jce jcl jcr jct jea jeb jec jee jej jel jer jet jja jjb jjc jjj jjl jjr jla jlb jlc jle jll jlr jlt jra jrb jrc jrl jrr jrt jta jtb jtc jte jtl jtr jtt la- laa lab lac lae laj lal lar lat lba lbb lbc lbe lbj lbl lbr lbt lca lcb lcc lce lcj lcl lcr lct lea leb lec lee lej lel ler let lje ljj lla llb llc lle llj lll llr llt lra lrb lrc lrr lrt lta ltb ltc lte ltl ltr ltt ra- raa rab rac rae raj ral rar rat rba rbb rbc rbe rbl rbr rbt rca rcb rcc rce rcj rcl rcr rct re- rea reb rec ree rel rer ret rja rjc rjr rla rlc rle rll rlr rlt rra rrb rrc rrl rrr rrt rta rtb rtc rte rtj rtl rtr rtt taa tab tac tae taj tal tar tat tba tbb tbc tbe tbj tbl tbr tbt tca tcb tcc tce tcj tcl tcr tct te- tea teb tec tee tej tel ter tet tjc tje tjr tla tlc tle tlj tll tlr tlt tra trb trc tre trl trr trt tta ttb ttc tte ttl ttr ttt