-al -er -th a-a a-b a-c a-t aaa aab aac aae aag aah aal aar aas aat aau ab- aba abb abc abe abg abh abl abr abs abt abu ac- aca acb acc ace acg ach acl acr acs act acu aea aeb aec aee aeg aeh ael aer aes aet aeu ag- aga agb agc age agg agh agl agr ags agt agu aha ahb ahc ahe ahg ahh ahl ahr ahs aht ahu al- ala alb alc ale alg alh all alr als alt alu ar- ara arb arc are arg arh arl arr ars art aru as- asa asb asc ase asg ash asl asr ass ast asu at- ata atb atc ate atg ath atl atr ats att atu au- aua aub auc aue aug auh aul aur aus aut b-u baa bab bac bae bag bah bal bar bas bat bau bba bbb bbc bbe bbg bbh bbl bbr bbs bbt bbu bca bcb bcc bce bcg bch bcl bcr bcs bct bcu be- bea beb bec bee beg beh bel ber bes bet beu bga bgb bgc bge bgg bgh bgl bgr bgs bgt bgu bha bhb bhc bhe bhg bhh bhl bhr bhs bht bhu bla blb blc ble blg blh bll blr bls blt blu bra brb bre brg brh brl brr brs brt bru bsa bsb bsc bse bsg bsh bsl bsr bss bst bsu bta btb btc bte btg bth btl btr bts btt btu bua bub buc bue bug buh bul bur bus but buu c-- caa cab cac cae cag cah cal car cas cat cau cba cbb cbc cbe cbg cbh cbl cbr cbs cbt cbu cca ccb ccc cce ccg cch ccl ccr ccs cct ccu ce- cea ceb cec cee ceg ceh cel cer ces cet ceu cga cgb cgc cge cgg cgh cgl cgr cgs cgt cgu ch- cha chb chc che chg chh chl chr chs cht chu cl- cla clb clc cle clg clh cll clr cls clt clu cra crb crc cre crg crh crl crr crs crt cru csa csb csc cse csg csh csl csr css cst csu cta ctb ctc cte ctg cth ctl ctr cts ctt ctu cua cub cuc cue cug cuh cul cur cus cut cuu eaa eab eac eae eag eah eal ear eas eat eau eba ebb ebc ebe ebg ebh ebl ebr ebs ebt ebu ec- eca ecb ecc ece ecg ech ecl ecr ecs ect ecu eea eeb eec eee eeg eel eer ees eet ega egb egc ege egg egh egl egr egs egt egu eha ehb ehc ehe ehg ehh ehl ehr ehs eht ehu ela elb elc ele elg elh ell elr els elt elu era erb erc ere erg erh erl err ers ert eru es- esa esb esc ese esg esh esl esr ess est esu eta etb etc ete etg eth etl etr ets ett etu eu- eua eub euc eue eug eul eur eus eut gaa gab gac gae gag gah gal gar gas gat gau gba gbc gbe gbg gbh gbl gbr gbs gbt gbu gca gcb gcc gce gcg gch gcl gcr gcs gct gcu ge- gea geb gec gee geg geh gel ger ges get geu gga ggb ggc ggg ggh ggr ggs ggt ggu gha ghb ghc ghe ghg ghh ghl ghr ghs ght gla glb glc gle glg glh gll glr gls glt glu gra grb grc gre grg grh grl grr grs grt gru gsa gsb gsc gse gsg gsl gsr gss gst gsu gta gtb gtc gte gtg gth gtl gtr gts gtt gtu gu- gua gub guc gue gug gul gur gus gut guu haa hab hac hae hag hah hal har has hat hau hba hbb hbc hbe hbg hbh hbl hbr hbs hbt hbu hca hcb hcc hce hcg hch hcl hcr hcs hct he- hea heb hec hee heg heh hel her hes het heu hga hgb hgc hge hgg hgh hgl hgr hgs hgt hgu hha hhb hhc hhe hhg hhh hhl hhr hhs hht hhu hla hlb hlc hle hlg hlh hll hlr hls hlt hlu hr- hra hrb hrc hre hrg hrh hrl hrr hrs hrt hru hsa hsb hsc hse hsg hsh hsl hsr hss hst hsu hta htb htc hte htg hth htl htr hts htt hua hub huc hue hug huh hul hur hus hut huu la- laa lab lac lae lag lah lal lar las lat lau lba lbb lbc lbe lbg lbh lbl lbr lbs lbt lbu lca lcb lcc lce lcg lch lcl lcr lcs lct lcu lea leb lec lee leg leh lel ler les let leu lga lgb lgc lge lgg lgh lgl lgr lgs lgt lgu lha lhb lhc lhh lhr lhs lht lhu lla llb llc lle llg lll llr lls llt llu lra lrb lrc lrg lrh lrr lrs lrt lru lsa lsb lsc lse lsg lsh lsl lsr lss lst lsu lta ltb ltc lte ltg lth ltl ltr lts ltt ltu lua lub luc lue lug luh lul lur lus lut luu ra- raa rab rac rae rag rah ral rar ras rat rau rba rbb rbc rbe rbg rbh rbl rbr rbs rbt rbu rca rcb rcc rce rcg rch rcl rcr rcs rct rcu re- rea reb rec ree reg reh rel rer res ret reu rga rgb rgc rge rgg rgh rgr rgs rgt rh- rha rhb rhc rhe rhg rhh rhl rhr rhs rht rhu rla rlc rle rlg rlh rll rlr rls rlt rlu rra rrb rrc rrg rrh rrl rrr rrs rrt rru rsa rsb rsc rse rsg rsh rsl rsr rss rst rsu rta rtb rtc rte rtg rtl rtr rts rtt rtu rua rub ruc rue rug ruh rur rus rut ruu saa sab sac sae sag sah sal sar sas sat sau sba sbb sbc sbe sbg sbh sbl sbr sbs sbt sbu sca scb scc sce