-al -er -th a-a a-b a-c a-t aaa aab aac aae aag aah aal aar aas aat ab- aba abb abc abe abg abh abl abr abs abt ac- aca acb acc ace acg ach acl acr acs act aea aeb aec aee aeg aeh ael aer aes aet ag- aga agb agc age agg agh agl agr ags agt aha ahb ahc ahe ahg ahh ahl ahr ahs aht al- ala alb alc ale alg alh all alr als alt ar- ara arb arc are arg arh arl arr ars art as- asa asb asc ase asg ash asl asr ass ast at- ata atb atc ate atg ath atl atr ats att baa bab bac bae bag bah bal bar bas bat bba bbb bbc bbe bbg bbh bbl bbr bbs bbt bca bcb bcc bce bcg bch bcl bcr bcs bct be- bea beb bec bee beg beh bel ber bes bet bga bgb bgc bge bgg bgh bgl bgr bgs bgt bha bhb bhc bhe bhg bhh bhl bhr bhs bht bla blb blc ble blg blh bll blr bls blt bra brb bre brg brh brl brr brs brt bsa bsb bsc bse bsg bsh bsl bsr bss bst bta btb btc bte btg bth btl btr bts btt c-- caa cab cac cae cag cah cal car cas cat cba cbb cbc cbe cbg cbh cbl cbr cbs cbt cca ccb ccc cce ccg cch ccl ccr ccs cct ce- cea ceb cec cee ceg ceh cel cer ces cet cga cgb cgc cge cgg cgh cgl cgr cgs cgt ch- cha chb chc che chg chh chl chr chs cht cl- cla clb clc cle clg clh cll clr cls clt cra crb crc cre crg crh crl crr crs crt csa csb csc cse csg csh csl csr css cst cta ctb ctc cte ctg cth ctl ctr cts ctt eaa eab eac eae eag eah eal ear eas eat eba ebb ebc ebe ebg ebh ebl ebr ebs ebt ec- eca ecb ecc ece ecg ech ecl ecr ecs ect eea eeb eec eee eeg eel eer ees eet ega egb egc ege egg egh egl egr egs egt eha ehb ehc ehe ehg ehh ehl ehr ehs eht ela elb elc ele elg elh ell elr els elt era erb erc ere erg erh erl err ers ert es- esa esb esc ese esg esh esl esr ess est eta etb etc ete etg eth etl etr ets ett gaa gab gac gae gag gah gal gar gas gat gba gbc gbe gbg gbh gbl gbr gbs gbt gca gcb gcc gce gcg gch gcl gcr gcs gct ge- gea geb gec gee geg geh gel ger ges get gga ggb ggc ggg ggh ggr ggs ggt gha ghb ghc ghe ghg ghh ghl ghr ghs ght gla glb glc gle glg glh gll glr gls glt gra grb grc gre grg grh grl grr grs grt gsa gsb gsc gse gsg gsl gsr gss gst gta gtb gtc gte gtg gth gtl gtr gts gtt haa hab hac hae hag hah hal har has hat hba hbb hbc hbe hbg hbh hbl hbr hbs hbt hca hcb hcc hce hcg hch hcl hcr hcs hct he- hea heb hec hee heg heh hel her hes het hga hgb hgc hge hgg hgh hgl hgr hgs hgt hha hhb hhc hhe hhg hhh hhl hhr hhs hht hla hlb hlc hle hlg hlh hll hlr hls hlt hr- hra hrb hrc hre hrg hrh hrl hrr hrs hrt hsa hsb hsc hse hsg hsh hsl hsr hss hst hta htb htc hte htg hth htl htr hts htt la- laa lab lac lae lag lah lal lar las lat lba lbb lbc lbe lbg lbh lbl lbr lbs lbt lca lcb lcc lce lcg lch lcl lcr lcs lct lea leb lec lee leg leh lel ler les let lga lgb lgc lge lgg lgh lgl lgr lgs lgt lha lhb lhc lhh lhr lhs lht lla llb llc lle llg lll llr lls llt lra lrb lrc lrg lrh lrr lrs lrt lsa lsb lsc lse lsg lsh lsl lsr lss lst lta ltb ltc lte ltg lth ltl ltr lts ltt ra- raa rab rac rae rag rah ral rar ras rat rba rbb rbc rbe rbg rbh rbl rbr rbs rbt rca rcb rcc rce rcg rch rcl rcr rcs rct re- rea reb rec ree reg reh rel rer res ret rga rgb rgc rge rgg rgh rgr rgs rgt rh- rha rhb rhc rhe rhg rhh rhl rhr rhs rht rla rlc rle rlg rlh rll rlr rls rlt rra rrb rrc rrg rrh rrl rrr rrs rrt rsa rsb rsc rse rsg rsh rsl rsr rss rst rta rtb rtc rte rtg rtl rtr rts rtt saa sab sac sae sag sah sal sar sas sat sba sbb sbc sbe sbg sbh sbl sbr sbs sbt sca scb scc sce scg sch scl scr scs sct se- sea seb sec see seg seh sel ser ses set sga sgb sgc sge sgg sgh sgl sgr sgs sgt sh- sha shb shc she shg shh shl shr shs sht sla slb slc sle slg slh sll slr sls slt sr- sra srb src sre srg srh srl srr srs srt ss- ssa ssb ssc sse ssg ssh ssl ssr sss sst sta stb stc ste stg sth stl str sts stt taa tab tac tae tag tah tal tar tas tat tba tbb tbc tbe tbg tbh tbl tbr tbs tbt tca tcb tcc tce tcg tch tcl tcr tcs tct te- tea teb tec tee teg teh tel ter tes tet tga tgb tgc tge tgg tgh tgl tgr tgs tgt th- tha thb thc the thg thh thl thr ths tht tla tlc tle tlg tlh tll tlr tls tlt tra trb trc tre trg trh trl trr trs trt tsa tsb tsc