-al -ol a-a a-b a-c a-t aaa aab aac aag aal aan aao aar aat ab- aba abb abc abg abl abn abo abr abt ac- aca acb acc acg acl acn aco acr act ag- aga agb agc agg agl agn ago agr agt al- ala alb alc alg all aln alo alr alt an- ana anb anc ang anl ann ano anr ant aoa aob aoc aog aol aon aoo aor aot ar- ara arb arc arg arl arn aro arr art at- ata atb atc atg atl atn ato atr att baa bab bac bag bal ban bao bar bat bba bbb bbc bbg bbl bbn bbo bbr bbt bca bcb bcc bcg bcl bcn bco bcr bct bga bgb bgc bgg bgl bgn bgo bgr bgt bla blb blc blg bll bln blo blr blt bna bnb bnc bng bnl bnn bno bnr bnt boa bob boc bog bol bon boo bor bot bra brb brg brl brn bro brr brt bta btb btc btg btl btn bto btr btt c-- caa cab cac cag cal can cao car cat cba cbb cbc cbg cbl cbn cbo cbr cbt cca ccb ccc ccg ccl ccn cco ccr cct cga cgb cgc cgg cgl cgn cgo cgr cgt cl- cla clb clc clg cll cln clo clr clt cn- cna cnb cnc cng cnl cnn cno cnr cnt co- coa cob coc cog col con coo cor cot cra crb crc crg crl crn cro crr crt cta ctb ctc ctg ctl ctn cto ctr ctt gaa gab gac gag gal gan gao gar gat gba gbc gbg gbl gbn gbo gbr gbt gca gcb gcc gcg gcl gcn gco gcr gct gga ggb ggc ggg ggn ggo ggr ggt gla glb glc glg gll gln glo glr glt gna gnb gnc gnl gnn gno gnr gnt goa gob goc gog gol gon goo gor got gra grb grc grg grl grn gro grr grt gta gtb gtc gtg gtl gtn gto gtr gtt la- laa lab lac lag lal lan lao lar lat lba lbb lbc lbg lbl lbo lbr lbt lca lcb lcc lcg lcl lcn lco lcr lct lga lgb lgc lgg lgl lgn lgo lgr lgt lla llb llc llg lll lln llo llr llt lna lnb lnc lng lnl lnn lno lnr lnt loa lob loc log lol lon loo lor lot lra lrb lrc lrg lrn lro lrr lrt lta ltb ltc ltg ltl lto ltr ltt naa nab nac nag nal nan nao nar nat nba nbb nbc nbg nbl nbn nbo nbr nbt nca ncb ncc ncg ncl ncn nco ncr nct nga ngb ngc ngg ngl ngn ngo ngt nla nlb nlc nlg nll nln nlo nlr nlt nna nnb nnc nng nnl nnn nno nnt no- noa nob noc nog nol non noo nor not nra nrb nrc nrg nrl nrn nro nrr nrt nta ntb ntc ntg ntn nto ntr ntt oaa oab oac oag oal oan oao oar oat ob- oba obb obc obg obl obn obo obr obt oc- oca ocb occ ocg ocl ocn oco ocr oct oga ogc ogg ogl ogn ogo ogt ola olb olc olg oll oln olo olt on- ona onb onc ong onl onn ono onr ont oo- ooa oob ooc oog ool oon ooo oor oot or- ora orb orc org orl orn oro orr ort ot- ota otb otc otg otl otn oto otr ott ra- raa rab rac rag ral ran rao rar rat rba rbb rbc rbg rbl rbn rbo rbr rbt rca rcb rcc rcg rcl rcn rco rcr rct rga rgb rgc rgg rgn rgo rgr rgt rla rlc rlg rll rln rlo rlr rlt rna rnb rnc rng rnn rno rnr rnt roa rob roc rog rol ron roo ror rot rra rrb rrc rrg rrl rrn rrr rrt rta rtb rtc rtg rtl rtn rto rtr rtt taa tab tac tag tal tan tao tar tat tba tbb tbc tbg tbl tbn tbo tbr tbt tca tcb tcc tcg tcl tcn tco tcr tct tga tgb tgc tgg tgl tgn tgo tgr tgt tla tlc tlg tll tln tlo tlr tlt tna tnb tnc tng tnl tnn tno tnr tnt to- toa tob toc tog tol ton too tor tot tra trb trc trg trl trn tro trr trt tta ttb ttc ttg ttl ttn tto ttr ttt

-ana aaaa aaab aaac aaal aaan aaar aaba aabb aabc aabl aabt aaca aacb aacc aacl aacn aaco aacr aact aala aalc aall aalo aana aang aaon aaoo aara aarc aaro aart aata aatc aatt abaa abab abac abag abal aban abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abcl abcn abcr abct abgl abla ablo aboa abob abol abon aboo abor abot abra abrc abro abta ac-t acaa acab acac acag acan acar acat acba acbl acca accc acco acct acga acgr acla aclc aclr acoa acog acol acon acor acot acr- acra acrc acro acrr acta actc actg actl acto actt ag-o agac agag agal agan agao agar agat agba agbo agca agcc agco agct agga agla aglc agna agno agob agog agol agon agoo agot agra agrl agro agta agtr alaa alac alag alal alan alao alar alat alb- alba albc albo alca alcc alco alg- alga algo all- alla alll alln allo allr alna aloa aloc alog alol alon aloo alor alot alro alta altn alto ana- anaa anab anac anag anal anan anao anar anat anba anbb anbl anbo anca ancc anco anct ang- anga angl ango anla anlc anln anlo anna annb anno annt ano- anoa anon anor anrc ant- anta antl anto antr antt aoba aoca aola aonb aono aont aora aorb aorn aort aotc arab arac arag aral aran arar arat arba arc- arca arco arct arga argb argo arla arlo arna arng arno arnt aroa arob aron aroo aror arr- arra arrc arrg arro arrr arrt arta artc arto artr