-er a-a a-b a-c a-q a-t aaa aab aac aad aae aak aaq aar aat aau ab- aba abb abc abd abe abk abq abr abt abu ac- aca acb acc acd ace ack acq acr act acu ad- ada adb adc add ade adk adq adr adt adu aea aeb aec aed aee aek aeq aer aet aeu aka akb akc akd ake akk akr aku aqa aqc aqr aqt ar- ara arb arc ard are ark arq arr art aru at- ata atb atc atd ate atr att atu au- aua aub auc aud aue auk aur aut b-u baa bab bac bad bae bak baq bar bat bau bba bbb bbc bbd bbe bbk bbq bbr bbt bbu bca bcb bcc bcd bce bck bcq bcr bct bcu bda bdb bdc bdd bde bdk bdq bdr bdt bdu be- bea beb bec bed bee bek beq ber bet beu bka bkb bkc bke bkk bkq bkr bkt bqc bqd bqe bqt bra brb brd bre brk brq brr brt bru bta btb btc btd bte btk btq btr btt btu bua bub buc bud bue buk bur but buu c-- caa cab cac cad cae cak caq car cat cau cba cbb cbc cbd cbe cbk cbq cbr cbt cbu cca ccb ccc ccd cce cck ccr cct ccu cda cdb cdc cdd cde cdk cdq cdr cdt cdu ce- cea ceb cec ced cee cek ceq cer cet ceu cka ckb ckc ckd ckt cqa cqb cqc cqd cqt cra crb crc crd cre crk crq crr crt cru cta ctb ctc ctd cte ctk ctq ctr ctt ctu cua cub cuc cud cue cuk cuq cur cut cuu daa dab dac dad dae dak daq dar dat dau dba dbb dbc dbd dbe dbk dbq dbr dbt dbu dca dcb dcc dcd dce dck dcr dct dcu dda ddb ddc ddd dde ddk ddq ddr ddt ddu de- dea deb dec ded dee dek deq der det deu dka dkb dkc dke dkk dkr dkt dku dqa dqe dra drb drc drd dre drk drq drr drt dru dta dtb dtc dtd dte dtk dtr dtt dtu dua dub duc dud due duk dur dut eaa eab eac ead eae eak ear eat eau eba ebb ebc ebd ebe ebk ebq ebr ebt ebu ec- eca ecb ecc ecd ece eck ecq ecr ect ecu ed- eda edb edc edd ede edk edr edt edu eea eeb eec eed eee eek eer eet eka ekb ekc ekd eke ekr ekt eku eqa eqe eqq eqt equ era erb erc erd ere erk erq err ert eru eta etb etc etd ete etk etr ett etu eu- eua eub euc eud eue eur eut k-t ka- kaa kab kac kad kae kak kar kat kau kba kbb kbc kbd kbe kbk kbr kbu kca kcb kcc kcd kce kck kcr kct kcu kda kdb kdc kde kdk kdr kdt kdu ke- kea keb kec ked kee kek ker ket kkb kkc kke kkk kkr kkt kku kqa kra krc krd krk krr krt kru kta ktb ktc kte ktk ktr ktt ktu kub kuc kud kue kuk kur kut kuu qaa qac qad qar qat qau qba qbc qbd qbe qbq qca qcc qcd qct qda qdb qdr qdt qec qed qee qet qqk qqq qqu qra qrb qrc qre qrt qru qta qtc qtd qtq qtr qu- qua qud que qur qut ra- raa rab rac rad rae rak raq rar rat rau rba rbb rbc rbd rbe rbk rbr rbt rbu rca rcb rcc rcd rce rcr rct rcu rda rdb rdc rdd rde rdr rdt rdu re- rea reb rec red ree rek req rer ret reu rkb rkc rke rkk rkt rku rqc rra rrb rrc rrd rrk rrq rrr rrt rru rta rtb rtc rtd rte rtk rtq rtr rtt rtu rua rub ruc rud rue ruk rur rut ruu taa tab tac tad tae tak taq tar tat tau tba tbb tbc tbd tbe tbk tbr tbt tbu tca tcb tcc tcd tce tck tcr tct tcu tda tdb tdc tdd tde tdk tdr tdt tdu te- tea teb tec ted tee tek teq ter tet teu tka tkb tkc tke tkk tkr tkt tra trb trc trd tre trk trq trr trt tru tta ttb ttc ttd tte ttk ttr ttt ttu tua tub tuc tud tue tuk tur tut tuu ua- uaa uab uac uad uae uak uaq uar uat uau uba ubb ubc ube ubk ubr ubt ubu uca ucb ucc ucd uce uck ucr uct ucu uda udb udc udd ude udk udr udt udu uea ueb uec ued uee uer uet uka ukb ukc uke ukk ukr uku ur- ura urb urc urd ure urk urr urt uru uta utb utc utd ute utk utr utt utu uua uuc uue uur uut uuu

a-ak a-be aaaa aaab aaac aaad aaae aaar aaba aabb aabc aabd aabt aaca aacb aacc aacd aace aack aacr aact aacu aada aadc aade aadt aadu aaea aaec aaka aake aaku aara aarc aard aare aart aaru aata aatc aatk aatt abaa abab abac abad abae abak abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abcd abcr abct abda abdu abec abed abee aber abet abra abrc abta abtu abua abud abue abuk abut ac-t acaa acab acac acad acae acar acat acba acca accc accd acce acct accu acda acdb acdc acde acdt ace- acea acec aced acek acer acet ackd acke acr- acra acrc acre acrr acta actc acte actt actu acu- acue acur acut adaa adab adac adad adae adak adar adat adba adbc adcc adda addc addd adde addr addu adea adeb adee adeq ader adet adq- adra adre adta adua adub adue aduk adur aeac aecb aect aede aedt aeer aeka aer- aera aerc aerd aeta aetc aetr aett akaa akae akar akca aked akee aker akeu akka akku akqa akr- akra