-al -er -up a-a a-b a-c a-t aaa aab aac aae aal aap aar aat aau ab- aba abb abc abe abl abp abr abt abu ac- aca acb acc ace acl acp acr act acu aea aeb aec aee ael aep aer aet aeu al- ala alb alc ale all alp alr alt alu ap- apa apb apc ape apl app apr apt apu ar- ara arb arc are arl arp arr art aru at- ata atb atc ate atl atp atr att atu au- aua aub auc aue aul aup aur aut b-p b-u baa bab bac bae bal bap bar bat bau bba bbb bbc bbe bbl bbp bbr bbt bbu bca bcb bcc bce bcl bcp bcr bct bcu be- bea beb bec bee bel bep ber bet beu bla blb blc ble bll blp blr blt blu bpa bpb bpc bpe bpl bpp bpr bpt bpu bra brb bre brl brp brr brt bru bta btb btc bte btl btp btr btt btu bua bub buc bue bul bup bur but buu c-- caa cab cac cae cal cap car cat cau cba cbb cbc cbe cbl cbp cbr cbt cbu cca ccb ccc cce ccl ccp ccr cct ccu ce- cea ceb cec cee cel cep cer cet ceu cl- cla clb clc cle cll clp clr clt clu cpa cpb cpc cpe cpl cpp cpr cpt cpu cra crb crc cre crl crp crr crt cru cta ctb ctc cte ctl ctp ctr ctt ctu cua cub cuc cue cul cup cur cut cuu eaa eab eac eae eal eap ear eat eau eba ebb ebc ebe ebl ebp ebr ebt ebu ec- eca ecb ecc ece ecl ecr ect ecu eea eeb eec eee eel eep eer eet ela elb elc ele ell elp elr elt elu ep- epa epb epc epe epl epp epr ept epu era erb erc ere erl erp err ert eru eta etb etc ete etl etp etr ett etu eu- eua eub euc eue eul eup eur eut l-p la- laa lab lac lae lal lap lar lat lau lba lbb lbc lbe lbl lbp lbr lbt lbu lca lcb lcc lce lcl lcp lcr lct lcu lea leb lec lee lel lep ler let leu lla llb llc lle lll llp llr llt llu lpa lpb lpc lpe lpl lpp lpr lpt lpu lra lrb lrc lrp lrr lrt lru lta ltb ltc lte ltl ltp ltr ltt ltu lua lub luc lue lul lup lur lut luu p-p paa pab pac pae pal pap par pat pau pba pbb pbc pbe pbl pbp pbr pbt pbu pca pcb pcc pce pcl pcp pcr pct pcu pea peb pec pee pel pep per pet peu pla plb plc ple pll plp plr plt plu ppa ppb ppc ppe ppl ppp ppr ppt ppu pra prb prc pre prl prp prr prt pru pt- pta ptb ptc pte ptl ptp ptr ptt ptu pua pub puc pue pul pup pur put puu ra- raa rab rac rae ral rap rar rat rau rba rbb rbc rbe rbl rbp rbr rbt rbu rca rcb rcc rce rcl rcp rcr rct rcu re- rea reb rec ree rel rep rer ret reu rla rlc rle rll rlp rlr rlt rlu rpa rpb rpc rpe rpl rpp rpr rpt rpu rra rrb rrc rrl rrp rrr rrt rru rta rtb rtc rte rtl rtp rtr rtt rtu rua rub ruc rue rup rur rut ruu taa tab tac tae tal tap tar tat tau tba tbb tbc tbe tbl tbp tbr tbt tbu tca tcb tcc tce tcl tcp tcr tct tcu te- tea teb tec tee tel tep ter tet teu tla tlc tle tll tlp tlr tlt tlu tpa tpb tpc tpe tpl tpp tpr tpt tpu tra trb trc tre trl trp trr trt tru tta ttb ttc tte ttl ttp ttr ttt ttu tua tub tuc tue tul tup tur tut tuu ua- uaa uab uac uae ual uap uar uat uau uba ubb ubc ube ubl ubp ubr ubt ubu uca ucb ucc uce ucl ucp ucr uct ucu uea ueb uec uee uel uep uer uet ula ulb ulc ule ull ulp ulr ult ulu up- upa upb upc upe upp upr upt upu ur- ura urb urc ure url urp urr urt uru uta utb utc ute utl utp utr utt utu uua uuc uue uur uut uuu

a-be aaaa aaab aaac aaae aaal aaap aaar aaba aabb aabc aabl aabp aabt aaca aacb aacc aace aacl aacp aacr aact aacu aaea aaec aaep aala aalc aale aall aalu aapa aapc aapl aapt aara aarc aare aarp aart aaru aata aatc aatt aaup abaa abab abac abae abal abap abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abcl abcp abcr abct abec abee abel aber abet abla able abpa abpc abpp abpr abra abrc abta abtu abua abue abul abut ac-t acaa acab acac acae acap acar acat acba acbl acca accc acce accp acct accu ace- acea acec acel acer acet acla aclc acle aclr aclu acpa acpe acpr acpt acpu acr- acra acrc acre acrr acta actc acte actl actt actu acu- acue acul acup acur acut aeac aeap aecb aecl aect aeer aela aelc aelp aer- aera aerc aeta aetc aetr aett al-p alaa alac alae alal alap alar alat alau alb- alba albc albe albu alca alcc alce alea alec alee alep aler alet aleu all- alla alle alll allr allu alpa alpe alpl alpu alta alte alua alur alut apac apal apap apar apat apba apbr apca apcb apcc apcr apea apec apel apep aper apet apeu apl- apla aple aplp aplu appa appc appl appr appt appu apra aprc apre aprt apta aptc apte aptt apua apuc apup arab arac arae aral arap arar arat arau arba arbe arc- arca arce arct area arec aree arel arep aret areu arla arle arpa