-al -er -up a-a a-b a-c a-q a-t aaa aab aac aae aal aap aaq aar aas aat aau ab- aba abb abc abe abl abp abq abr abs abt abu ac- aca acb acc ace acl acp acq acr acs act acu aea aeb aec aee ael aep aeq aer aes aet aeu al- ala alb alc ale all alp alq alr als alt alu ap- apa apb apc ape apl app apq apr aps apt apu aqa aqc aql aqp aqr aqs aqt ar- ara arb arc are arl arp arq arr ars art aru as- asa asb asc ase asl asp asq asr ass ast asu at- ata atb atc ate atl atp atr ats att atu au- aua aub auc aue aul aup aur aus aut b-p b-u baa bab bac bae bal bap baq bar bas bat bau bba bbb bbc bbe bbl bbp bbq bbr bbs bbt bbu bca bcb bcc bce bcl bcp bcq bcr bcs bct bcu be- bea beb bec bee bel bep beq ber bes bet beu bla blb blc ble bll blp blq blr bls blt blu bpa bpb bpc bpe bpl bpp bpr bps bpt bpu bqc bqe bqp bqt bra brb bre brl brp brq brr brs brt bru bsa bsb bsc bse bsl bsp bsr bss bst bsu bta btb btc bte btl btp btq btr bts btt btu bua bub buc bue bul bup bur bus but buu c-- caa cab cac cae cal cap caq car cas cat cau cba cbb cbc cbe cbl cbp cbq cbr cbs cbt cbu cca ccb ccc cce ccl ccp ccr ccs cct ccu ce- cea ceb cec cee cel cep ceq cer ces cet ceu cl- cla clb clc cle cll clp clr cls clt clu cpa cpb cpc cpe cpl cpp cpq cpr cps cpt cpu cqa cqb cqc cql cqs cqt cra crb crc cre crl crp crq crr crs crt cru csa csb csc cse csl csp csq csr css cst csu cta ctb ctc cte ctl ctp ctq ctr cts ctt ctu cua cub cuc cue cul cup cuq cur cus cut cuu eaa eab eac eae eal eap ear eas eat eau eba ebb ebc ebe ebl ebp ebq ebr ebs ebt ebu ec- eca ecb ecc ece ecl ecq ecr ecs ect ecu eea eeb eec eee eel eep eer ees eet ela elb elc ele ell elp elr els elt elu ep- epa epb epc epe epl epp epq epr eps ept epu eqa eqe eqp eqq eqs eqt equ era erb erc ere erl erp erq err ers ert eru es- esa esb esc ese esl esp esq esr ess est esu eta etb etc ete etl etp etr ets ett etu eu- eua eub euc eue eul eup eur eus eut l-p la- laa lab lac lae lal lap laq lar las lat lau lba lbb lbc lbe lbl lbp lbr lbs lbt lbu lca lcb lcc lce lcl lcp lcq lcr lcs lct lcu lea leb lec lee lel lep leq ler les let leu lla llb llc lle lll llp llq llr lls llt llu lpa lpb lpc lpe lpl lpp lpr lps lpt lpu lqr lra lrb lrc lrp lrr lrs lrt lru lsa lsb lsc lse lsl lsp lsq lsr lss lst lsu lta ltb ltc lte ltl ltp ltr lts ltt ltu lua lub luc lue lul lup lur lus lut luu p-p paa pab pac pae pal pap paq par pas pat pau pba pbb pbc pbe pbl pbp pbr pbs pbt pbu pca pcb pcc pce pcl pcp pcq pcr pcs pct pcu pea peb pec pee pel pep per pes pet peu pla plb plc ple pll plp plr pls plt plu ppa ppb ppc ppe ppl ppp ppq ppr pps ppt ppu pqq pqr pqs pra prb prc pre prl prp prq prr prs prt pru ps- psa psb psc pse psl psp psr pss pst psu pt- pta ptb ptc pte ptl ptp ptq ptr pts ptt ptu pua pub puc pue pul pup pur pus put puu qaa qac qal qap qar qas qat qau qba qbc qbe qbq qbs qca qcc qcl qcp qcs qct qec qee qep qet qlp qls qpc qpl qpp qpr qps qqq qqu qra qrb qrc qre qrl qrp qrs qrt qru qsa qsc qsl qsp qsr qst qta qtc qtq qtr qts qu- qua que qul qur qus qut ra- raa rab rac rae ral rap raq rar ras rat rau rba rbb rbc rbe rbl rbp rbr rbs rbt rbu rca rcb rcc rce rcl rcp rcr rcs rct rcu re- rea reb rec ree rel rep req rer res ret reu rla rlc rle rll rlp rlr rls rlt rlu rpa rpb rpc rpe rpl rpp rpr rps rpt rpu rqc rqs rra rrb rrc rrl rrp rrq rrr rrs rrt rru rsa rsb rsc rse rsl rsp rsq rsr rss rst rsu rta rtb rtc rte rtl rtp rtq rtr rts rtt rtu rua rub ruc rue rup rur rus rut ruu saa sab sac sae sal sap saq sar sas sat sau sba sbb sbc sbe sbl sbp sbq sbr sbs sbt sbu sca scb scc sce scl scp scr scs sct scu se- sea seb sec see sel sep seq ser ses set seu sla slb slc sle sll slp slq slr sls slt slu spa spb spc spe spl spp spq spr sps spt spu sqa sql sqq sqr sqs sr- sra srb src sre srl srp srq srr srs srt ss- ssa ssb ssc sse ssl ssp ssq ssr sss sst ssu sta stb stc ste stl stp stq str sts stt stu sua sub suc sue sul sup suq sur sus sut suu taa tab tac tae tal tap taq tar tas tat tau tba tbb tbc tbe tbl tbp tbr tbs tbt tbu tca tcb tcc tce tcl tcp tcr tcs