-er a-a a-b a-c a-q aaa aab aac aad aae aah aao aaq aar aau ab- aba abb abc abd abe abh abo abq abr abu ac- aca acb acc acd ace ach aco acq acr acu ad- ada adb adc add ade adh ado adq adr adu aea aeb aec aed aee aeh aeo aeq aer aeu aha ahb ahc ahd ahe ahh aho ahq ahr ahu aoa aob aoc aod aoe aoh aoo aor aou aqa aqc aqo aqr ar- ara arb arc ard are arh aro arq arr aru au- aua aub auc aud aue auh auo aur b-u baa bab bac bad bae bah bao baq bar bau bba bbb bbc bbd bbe bbh bbo bbq bbr bbu bca bcb bcc bcd bce bch bco bcq bcr bcu bda bdb bdc bdd bde bdh bdo bdq bdr bdu be- bea beb bec bed bee beh beo beq ber beu bha bhb bhc bhd bhe bhh bho bhq bhr bhu boa bob boc bod boe boh boo boq bor bou bqc bqd bqe bra brb brd bre brh bro brq brr bru bua bub buc bud bue buh buo bur buu c-- caa cab cac cad cae cah cao caq car cau cba cbb cbc cbd cbe cbh cbo cbq cbr cbu cca ccb ccc ccd cce cch cco ccr ccu cda cdb cdc cdd cde cdh cdo cdq cdr cdu ce- cea ceb cec ced cee ceh ceo ceq cer ceu ch- cha chb chc chd che chh cho chq chr chu co- coa cob coc cod coe coh coo coq cor cou cqa cqb cqc cqd cqo cra crb crc crd cre crh cro crq crr cru cua cub cuc cud cue cuh cuo cuq cur cuu daa dab dac dad dae dah dao daq dar dau dba dbb dbc dbd dbe dbh dbo dbq dbr dbu dca dcb dcc dcd dce dco dcr dcu dda ddb ddc ddd dde ddh ddo ddq ddr ddu de- dea deb dec ded dee deh deo deq der deu dh- dha dhb dhc dhd dhe dhh dho dhr dhu doa dob doc dod doe doh doo doq dor dou dqa dqe dra drb drc drd dre dro drq drr dru dua dub duc dud due duh duo dur eaa eab eac ead eae eah eao ear eau eba ebb ebc ebd ebe ebh ebo ebq ebr ebu ec- eca ecb ecc ecd ece ech eco ecq ecr ecu ed- eda edb edc edd ede edh edo edr edu eea eeb eec eed eee eeo eer eha ehb ehc ehd ehe ehh eho ehr ehu eo- eoa eob eoc eod eoe eoh eoo eoq eor eou eqa eqe eqq equ era erb erc erd ere erh ero erq err eru eu- eua eub euc eud eue eur haa hab hac had hae hah hao haq har hau hba hbb hbc hbd hbe hbh hbo hbr hbu hca hcb hcc hcd hce hch hco hcr hda hdb hdc hdd hde hdh hdo hdr hdu he- hea heb hec hed hee heh heo her heu hha hhb hhc hhd hhe hhh hho hhr hhu hoa hob hoc hod hoe hoh hoo hor hou hr- hra hrb hrc hrd hre hrh hro hrr hru hua hub huc hud hue huh huo huq hur huu oaa oab oac oad oae oah oao oaq oar oau ob- oba obb obc obd obe obh obo obr obu oc- oca ocb occ ocd och oco ocr ocu oda odb odc odd ode odh odo odr odu oea oeb oec oed oee oeh oeo oer oha ohc ohd ohe ohh oho ohq ohr ohu oo- ooa oob ooc ood ooh ooo oor oqb oqo or- ora orb orc ord ore orh oro orr oru ou- oua ouc oud oue ouh ouo our qaa qac qad qah qar qau qba qbc qbd qbe qbq qca qcc qcd qco qda qdb qdr qec qed qee qeh qeo qhc qoo qor qqq qqu qra qrb qrc qre qrh qru qu- qua qud que quh quo qur ra- raa rab rac rad rae rah rao raq rar rau rba rbb rbc rbd rbe rbh rbo rbr rbu rca rcb rcc rcd rce rch rco rcr rcu rda rdb rdc rdd rde rdh rdo rdr rdu re- rea reb rec red ree reh reo req rer reu rh- rha rhb rhc rhd rhe rhh rho rhr rhu roa rob roc rod roe roh roo ror rou rqc rra rrb rrc rrd rrh rrq rrr rru rua rub ruc rud rue ruh ruo rur ruu ua- uaa uab uac uad uae uah uao uaq uar uau uba ubb ubc ube ubh ubo ubr ubu uca ucb ucc ucd uce uch uco ucr ucu uda udb udc udd ude udo udr udu uea ueb uec ued uee ueh uer uha uhb uhc uhd uhe uhh uho uhq uhr uhu uoa uob uoc uod uoe uoo uor ur- ura urb urc urd ure uro urr uru uua uuc uue uur uuu

-hou a-be a-do a-ha aaaa aaab aaac aaad aaae aaah aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aach aaco aacr aacu aada aadc aade aadu aaea aaec aaha aaoe aaoo aara aarc aard aare aaro aaru abaa abab abac abad abae abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcd abch abcr abda abdo abdu abec abed abee aber abha abho abhr aboa abob abod aboh aboo abor abou abra abrc abro abua abud abue acaa acab acac acad acae acar acba acca accc accd acce acch acco accu acda acdb acdc acde ace- acea acec aced aceh acer acha ache achh acho achr achu acoa acod acoe acoh acor acou acr- acra acrc acre acro acrr acu- acue acuo acur adaa adab adac adad adae adah adao adar adba adbc adcc adda addc addd adde addo addr addu adea adeb adee adeh adeo adeq ader adha adhd adho adhu adob adoc adod adoe adoo ador adq-