-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

a-be aaaa aaab aaac aaae aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aacr aact aaea aaec aala aalc aale aall aara aarc aare aart aata aatc aatt abaa abab abac abae abaj abal abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abcl abcr abct abec abee abel aber abet abla able ablj abra abrc abta ac-t acaa acab acac acae acar acat acba acbl acca accc acce acct ace- acea acec acel acer acet acla aclc acle aclr acr- acra acrc acre acrr acta actc acte actl actt aeac aecb aecl aect aeer aela aelc aer- aera aerc aeta aetc aetr aett ajab ajac ajar ajat ajba ajee ajet ajla alaa alac alae alal alar alat alb- alba albc albe alca alcc alce alea alec alee aler alet aljr all- alla alle alll allr alta alte altj arab arac arae aral arar arat arba arbe arc- arca arce arct area arec aree arel aret arja arje arla arle arr- arra arrc arre arrr arrt arta artc arte artr at-l at-t ataa atab atac atae atal atar atat atca atcc atcl atcr atea atec atee atel ater atla atle atra atrc atre atta atte attr baaa baal baar baat baba babb babe babr bac- baca bacc bace bact bael baer baja bala balc bale ball balt bar- bara barb barc bare barr bart bata batc bate batt bbbb bbeb bbet bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcec bcer bcet bcra bctc beal bear beat beba bebb bebe beca beeb beej beel beer beet beja bela bele bell belt bera berc bere berr bert beta betc bete bett bjcc bjec blaa blab blac blae blaj blat blbt blea bleb blee blet blrc brab brac brae braj brat brca brcb brce brea breb brec bree brel brer bret brje brrr brtc btaa btcc btcl btec btla btrc btrt bttb caaa caab caac caal caat caba cabe cac- caca cacc cace cacr caec caer caja cala calc cale call calt cara carb carc care carj carl carr cart cat- cata catb catc cate catt cbac cbal cbar cbat cbbc cbca cbcc cbce cbcl cbcr cbct cbea cbec cbee cber cbet cblb cblc cbre cbrj cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccl ccee ccel ccla cclc ccra ccrc ccre ccrl ccrt cctb cctc cctl cctt ceac ceal cear ceat ceba cec- ceca cece cect ceeb ceec ceel ceja cejc cel- cela celc cele cell celt cer- cera cerc cere cerl cert cet- ceta cete cjar cjbc cjca cjcb cjcj cjcl cjrb cjrc cjrj cjtr clab clar clat clea clec clee cler clet clra cltb cltc crab crac craj crar crat crbc crca crcc crce crcr cre- crea creb crec cree cret crrt crtc crtl ctab ctae ctal ctba ctca ctec ctle ctrc ctrl ctta e-cl e-la eaba eaca eacc eaec eala ealc eale eara earb eare earl eart eata eate ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecla eclt ecra ecrc ecrl ecrr ect- ecta