-al a-a a-b a-c a-t aaa aab aac aae aaj aak aal aat ab- aba abb abc abe abj abk abl abt ac- aca acb acc ace acj ack acl act aea aeb aec aee aej aek ael aet aja ajb ajc aje ajj ajk ajl ajt aka akb akc ake akj akk akl al- ala alb alc ale alj alk all alt at- ata atb atc ate atl att baa bab bac bae baj bak bal bat bba bbb bbc bbe bbk bbl bbt bca bcb bcc bce bcj bck bcl bct be- bea beb bec bee bek bel bet bja bjc bjj bjk bjt bka bkb bkc bke bkk bkl bkt bla blb blc ble blj blk bll blt bta btb btc bte btk btl btt c-- c-j caa cab cac cae caj cak cal cat cba cbb cbc cbe cbj cbk cbl cbt cca ccb ccc cce ccj cck ccl cct ce- cea ceb cec cee cej cek cel cet cja cjb cjc cjk cka ckb ckc ckt cl- cla clb clc cle clj clk cll clt cta ctb ctc cte ctk ctl ctt eaa eab eac eae eaj eak eal eat eba ebb ebc ebe ebj ebk ebl ebt ec- eca ecb ecc ece ecj eck ecl ect eea eeb eec eee eek eel eet eja ejc ejl ejt eka ekb ekc eke ekl ekt ela elb elc ele elk ell elt eta etb etc ete etj etk etl ett jaa jab jac jae jaj jak jal jat jba jbc jbj jbk jbl jbt jca jcb jcc jce jck jcl jct jea jeb jec jee jej jek jel jet jja jjb jjc jjj jjk jjl jka jkb jkk jkl jkt jla jlb jlc jle jll jlt jta jtb jtc jte jtk jtl jtt k-t ka- kaa kab kac kae kaj kak kal kat kba kbb kbc kbe kbk kbl kca kcb kcc kce kck kcl kct ke- kea keb kec kee kek kel ket kjb kjc kje kkb kkc kke kkk kkl kkt kl- kla klb klc klt kta ktb ktc kte ktj ktk ktl ktt la- laa lab lac lae laj lak lal lat lba lbb lbc lbe lbj lbk lbl lbt lca lcb lcc lce lcj lck lcl lct lea leb lec lee lej lek lel let lje ljj lka lkb lkl lkt lla llb llc lle llj llk lll llt lta ltb ltc lte ltk ltl ltt taa tab tac tae taj tak tal tat tba tbb tbc tbe tbj tbk tbl tbt tca tcb tcc tce tcj tck tcl tct te- tea teb tec tee tej tek tel tet tjc tje tka tkb tkc tke tkk tkl tkt tla tlc tle tlj tlk tll tlt tta ttb ttc tte ttk ttl ttt