-al -er -th a-a a-b a-c a-t aaa aab aac aae aag aah aal aar aat aau ab- aba abb abc abe abg abh abl abr abt abu ac- aca acb acc ace acg ach acl acr act acu aea aeb aec aee aeg aeh ael aer aet aeu ag- aga agb agc age agg agh agl agr agt agu aha ahb ahc ahe ahg ahh ahl ahr aht ahu al- ala alb alc ale alg alh all alr alt alu ar- ara arb arc are arg arh arl arr art aru at- ata atb atc ate atg ath atl atr att atu au- aua aub auc aue aug auh aul aur aut b-u baa bab bac bae bag bah bal bar bat bau bba bbb bbc bbe bbg bbh bbl bbr bbt bbu bca bcb bcc bce bcg bch bcl bcr bct bcu be- bea beb bec bee beg beh bel ber bet beu bga bgb bgc bge bgg bgh bgl bgr bgt bgu bha bhb bhc bhe bhg bhh bhl bhr bht bhu bla blb blc ble blg blh bll blr blt blu bra brb bre brg brh brl brr brt bru bta btb btc bte btg bth btl btr btt btu bua bub buc bue bug buh bul bur but buu c-- caa cab cac cae cag cah cal car cat cau cba cbb cbc cbe cbg cbh cbl cbr cbt cbu cca ccb ccc cce ccg cch ccl ccr cct ccu ce- cea ceb cec cee ceg ceh cel cer cet ceu cga cgb cgc cge cgg cgh cgl cgr cgt cgu ch- cha chb chc che chg chh chl chr cht chu cl- cla clb clc cle clg clh cll clr clt clu cra crb crc cre crg crh crl crr crt cru cta ctb ctc cte ctg cth ctl ctr ctt ctu cua cub cuc cue cug cuh cul cur cut cuu eaa eab eac eae eag eah eal ear eat eau eba ebb ebc ebe ebg ebh ebl ebr ebt ebu ec- eca ecb ecc ece ecg ech ecl ecr ect ecu eea eeb eec eee eeg eel eer eet ega egb egc ege egg egh egl egr egt egu eha ehb ehc ehe ehg ehh ehl ehr eht ehu ela elb elc ele elg elh ell elr elt elu era erb erc ere erg erh erl err ert eru eta etb etc ete etg eth etl etr ett etu eu- eua eub euc eue eug eul eur eut gaa gab gac gae gag gah gal gar gat gau gba gbc gbe gbg gbh gbl gbr gbt gbu gca gcb gcc gce gcg gch gcl gcr gct gcu ge- gea geb gec gee geg geh gel ger get geu gga ggb ggc ggg ggh ggr ggt ggu gha ghb ghc ghe ghg ghh ghl ghr ght gla glb glc gle glg glh gll glr glt glu gra grb grc gre grg grh grl grr grt gru gta gtb gtc gte gtg gth gtl gtr gtt gtu gu- gua gub guc gue gug gul gur gut guu haa hab hac hae hag hah hal har hat hau hba hbb hbc hbe hbg hbh hbl hbr hbt hbu hca hcb hcc hce hcg hch hcl hcr hct he- hea heb hec hee heg heh hel her het heu hga hgb hgc hge hgg hgh hgl hgr hgt hgu hha hhb hhc hhe hhg hhh hhl hhr hht hhu hla hlb hlc hle hlg hlh hll hlr hlt hlu hr- hra hrb hrc hre hrg hrh hrl hrr hrt hru hta htb htc hte htg hth htl htr htt hua hub huc hue hug huh hul hur hut huu la- laa lab lac lae lag lah lal lar lat lau lba lbb lbc lbe lbg lbh lbl lbr lbt lbu lca lcb lcc lce lcg lch lcl lcr lct lcu lea leb lec lee leg leh lel ler let leu lga lgb lgc lge lgg lgh lgl lgr lgt lgu lha lhb lhc lhh lhr lht lhu lla llb llc lle llg lll llr llt llu lra lrb lrc lrg lrh lrr lrt lru lta ltb ltc lte ltg lth ltl ltr ltt ltu lua lub luc lue lug luh lul lur lut luu ra- raa rab rac rae rag rah ral rar rat rau rba rbb rbc rbe rbg rbh rbl rbr rbt rbu rca rcb rcc rce rcg rch rcl rcr rct rcu re- rea reb rec ree reg reh rel rer ret reu rga rgb rgc rge rgg rgh rgr rgt rh- rha rhb rhc rhe rhg rhh rhl rhr rht rhu rla rlc rle rlg rlh rll rlr rlt rlu rra rrb rrc rrg rrh rrl rrr rrt rru rta rtb rtc rte rtg rtl rtr rtt rtu rua rub ruc rue rug ruh rur rut ruu taa tab tac tae tag tah tal tar tat tau tba tbb tbc tbe tbg tbh tbl tbr tbt tbu tca tcb tcc tce tcg tch tcl tcr tct tcu te- tea teb tec tee teg teh tel ter tet teu tga tgb tgc tge tgg tgh tgl tgr tgt tgu th- tha thb thc the thg thh thl thr tht thu tla tlc tle tlg tlh tll tlr tlt tlu tra trb trc tre trg trh trl trr trt tru tta ttb ttc tte ttg tth ttl ttr ttt ttu tua tub tuc tue tug tuh tul tur tut tuu ua- uaa uab uac uae uag uah ual uar uat uau uba ubb ubc ube ubg ubh ubl ubr ubt ubu uca ucb ucc uce ucg uch ucl ucr uct ucu uea ueb uec uee ueg ueh uel uer uet uga ugb ugc uge ugg ugh ugl ugr ugt ugu uha uhb uhc uhe uhh uhl uhr uht uhu ula ulb ulc ule ulg ull ulr ult ulu ur- ura urb urc ure urg url urr urt uru uta utb utc ute uth utl utr utt utu uua uuc uue uug uur uut uuu