-al -er a-a a-b a-c a-t aaa aab aac aae aaj aak aal aam aar aat ab- aba abb abc abe abj abk abl abm abr abt ac- aca acb acc ace acj ack acl acm acr act aea aeb aec aee aej aek ael aem aer aet aja ajb ajc aje ajj ajk ajl ajm ajr ajt aka akb akc ake akj akk akl akm akr al- ala alb alc ale alj alk all alm alr alt ama amb amc ame amk aml amm amr amt ar- ara arb arc are arj ark arl arm arr art at- ata atb atc ate atl atm atr att baa bab bac bae baj bak bal bam bar bat bba bbb bbc bbe bbk bbl bbm bbr bbt bca bcb bcc bce bcj bck bcl bcm bcr bct be- bea beb bec bee bek bel bem ber bet bja bjc bjj bjk bjm bjr bjt bka bkb bkc bke bkk bkl bkm bkr bkt bla blb blc ble blj blk bll blm blr blt bma bmb bmc bme bmj bmk bml bmm bmr bmt bra brb bre brj brk brl brm brr brt bta btb btc bte btk btl btm btr btt c-- c-j caa cab cac cae caj cak cal cam car cat cba cbb cbc cbe cbj cbk cbl cbm cbr cbt cca ccb ccc cce ccj cck ccl ccm ccr cct ce- cea ceb cec cee cej cek cel cem cer cet cja cjb cjc cjk cjr cka ckb ckc ckm ckt cl- cla clb clc cle clj clk cll clm clr clt cma cmb cmc cme cmj cmk cml cmm cmr cmt cra crb crc cre crj crk crl crm crr crt cta ctb ctc cte ctk ctl ctm ctr ctt eaa eab eac eae eaj eak eal eam ear eat eba ebb ebc ebe ebj ebk ebl ebm ebr ebt ec- eca ecb ecc ece ecj eck ecl ecm ecr ect eea eeb eec eee eek eel eem eer eet eja ejc ejl ejt eka ekb ekc eke ekl ekr ekt ela elb elc ele elk ell elm elr elt em- ema emb emc eme emk eml emm emr emt era erb erc ere erk erl erm err ert eta etb etc ete etj etk etl etm etr ett jaa jab jac jae jaj jak jal jam jar jat jba jbc jbj jbk jbl jbm jbr jbt jca jcb jcc jce jck jcl jcm jcr jct jea jeb jec jee jej jek jel jem jer jet jja jjb jjc jjj jjk jjl jjr jka jkb jkk jkl jkm jkr jkt jla jlb jlc jle jll jlm jlr jlt jma jmb jmc jme jmj jml jmm jmr jmt jra jrb jrc jrk jrl jrm jrr jrt jta jtb jtc jte jtk jtl jtm jtr jtt k-t ka- kaa kab kac kae kaj kak kal kam kar kat kba kbb kbc kbe kbk kbl kbm kbr kca kcb kcc kce kck kcl kcm kcr kct ke- kea keb kec kee kek kel kem ker ket kjb kjc kje kjr kkb kkc kke kkk kkl kkm kkr kkt kl- kla klb klc klm klr klt kma kmb kmc kme kmj kmk kml kmm kmt kra krc krk krl krr krt kta ktb ktc kte ktj ktk ktl ktm ktr ktt la- laa lab lac lae laj lak lal lam lar lat lba lbb lbc lbe lbj lbk lbl lbm lbr lbt lca lcb lcc lce lcj lck lcl lcm lcr lct lea leb lec lee lej lek lel lem ler let lje ljj ljm lka lkb lkl lkr lkt lla llb llc lle llj llk lll llm llr llt lma lmb lmc lme lmj lmk lml lmm lmr lmt lra lrb lrc lrk lrm lrr lrt lta ltb ltc lte ltk ltl ltm ltr ltt m-r maa mab mac mae maj mak mal mam mar mat mba mbb mbc mbe mbj mbk mbl mbm mbr mbt mc- mca mcb mcc mce mck mcl mcm mcr mct mea meb mec mee mej mek mel mem mer met mjb mjc mje mjj mjk mjl mjm mjr mjt mka mkb mkc mke mkk mkl mkm mkr mkt mla mlb mlc mle mlk mll mlm mlr mlt mma mmb mmc mme mmj mmk mml mmm mmr mmt mra mrb mrc mre mrj mrk mrl mrm mrr mrt mta mtb mtc mte mtj mtk mtl mtm mtr mtt ra- raa rab rac rae raj rak ral ram rar rat rba rbb rbc rbe rbk rbl rbm rbr rbt rca rcb rcc rce rcj rcl rcm rcr rct re- rea reb rec ree rek rel rem rer ret rja rjc rjk rjm rjr rkb rkc rke rkk rkm rkt rla rlc rle rll rlm rlr rlt rma rmb rmc rme rml rmm rmr rmt rra rrb rrc rrk rrl rrm rrr rrt rta rtb rtc rte rtj rtk rtl rtm rtr rtt taa tab tac tae taj tak tal tam tar tat tba tbb tbc tbe tbj tbk tbl tbm tbr tbt tca tcb tcc tce tcj tck tcl tcm tcr tct te- tea teb tec tee tej tek tel tem ter tet tjc tje tjm tjr tka tkb tkc tke tkk tkl tkm tkr tkt tla tlc tle tlj tlk tll tlm tlr tlt tma tmb tmc tme tmj tmk tml tmm tmr tmt tra trb trc tre trk trl trm trr trt tta ttb ttc tte ttk ttl ttm ttr ttt

a-ak a-be aaaa aaab aaac aaae aaal aaam aaar aaba aabb aabc aabl aabm aabt aaca aacb aacc aace aack aacl aacm aacr aact aaea aaec aaem aaka aake aala aalc aale aall aama aamb aamc aame aamr aara aarc aare aarm aart aata aatc aatk aatt abaa abab abac abae abaj abak abal abam abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abcl abcr abct abec abee abel aber abet abla able ablj abma abmb abmc abmt abra abrc abta ac-t acaa acab acac acae acar acat acba acbl