-al -er a-a a-b a-c a-q a-t aaa aab aac aae aal aaq aar aat aau ab- aba abb abc abe abl abq abr abt abu ac- aca acb acc ace acl acq acr act acu aea aeb aec aee ael aeq aer aet aeu al- ala alb alc ale all alq alr alt alu aqa aqc aql aqr aqt ar- ara arb arc are arl arq arr art aru at- ata atb atc ate atl atr att atu au- aua aub auc aue aul aur aut b-u baa bab bac bae bal baq bar bat bau bba bbb bbc bbe bbl bbq bbr bbt bbu bca bcb bcc bce bcl bcq bcr bct bcu be- bea beb bec bee bel beq ber bet beu bla blb blc ble bll blq blr blt blu bqc bqe bqt bra brb bre brl brq brr brt bru bta btb btc bte btl btq btr btt btu bua bub buc bue bul bur but buu c-- caa cab cac cae cal caq car cat cau cba cbb cbc cbe cbl cbq cbr cbt cbu cca ccb ccc cce ccl ccr cct ccu ce- cea ceb cec cee cel ceq cer cet ceu cl- cla clb clc cle cll clr clt clu cqa cqb cqc cql cqt cra crb crc cre crl crq crr crt cru cta ctb ctc cte ctl ctq ctr ctt ctu cua cub cuc cue cul cuq cur cut cuu eaa eab eac eae eal ear eat eau eba ebb ebc ebe ebl ebq ebr ebt ebu ec- eca ecb ecc ece ecl ecq ecr ect ecu eea eeb eec eee eel eer eet ela elb elc ele ell elr elt elu eqa eqe eqq eqt equ era erb erc ere erl erq err ert eru eta etb etc ete etl etr ett etu eu- eua eub euc eue eul eur eut la- laa lab lac lae lal laq lar lat lau lba lbb lbc lbe lbl lbr lbt lbu lca lcb lcc lce lcl lcq lcr lct lcu lea leb lec lee lel leq ler let leu lla llb llc lle lll llq llr llt llu lqr lra lrb lrc lrr lrt lru lta ltb ltc lte ltl ltr ltt ltu lua lub luc lue lul lur lut luu qaa qac qal qar qat qau qba qbc qbe qbq qca qcc qcl qct qec qee qet qqq qqu qra qrb qrc qre qrl qrt qru qta qtc qtq qtr qu- qua que qul qur qut ra- raa rab rac rae ral raq rar rat rau rba rbb rbc rbe rbl rbr rbt rbu rca rcb rcc rce rcl rcr rct rcu re- rea reb rec ree rel req rer ret reu rla rlc rle rll rlr rlt rlu rqc rra rrb rrc rrl rrq rrr rrt rru rta rtb rtc rte rtl rtq rtr rtt rtu rua rub ruc rue rur rut ruu taa tab tac tae tal taq tar tat tau tba tbb tbc tbe tbl tbr tbt tbu tca tcb tcc tce tcl tcr tct tcu te- tea teb tec tee tel teq ter tet teu tla tlc tle tll tlr tlt tlu tra trb trc tre trl trq trr trt tru tta ttb ttc tte ttl ttr ttt ttu tua tub tuc tue tul tur tut tuu ua- uaa uab uac uae ual uaq uar uat uau uba ubb ubc ube ubl ubr ubt ubu uca ucb ucc uce ucl ucr uct ucu uea ueb uec uee uel uer uet ula ulb ulc ule ull ulr ult ulu ur- ura urb urc ure url urr urt uru uta utb utc ute utl utr utt utu uua uuc uue uur uut uuu