-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aam aar aau ab- aba abb abc abd abe abi abm abr abu ac- aca acb acc acd ace aci acm acr acu ad- ada adb adc add ade adi adm adr adu aea aeb aec aed aee aei aem aer aeu ai- aia aib aic aid aie aii aim air aiu ama amb amc amd ame ami amm amr amu ar- ara arb arc ard are ari arm arr aru au- aua aub auc aud aue aui aum aur b-u baa bab bac bad bae bai bam bar bau bba bbb bbc bbd bbe bbi bbm bbr bbu bca bcb bcc bcd bce bci bcm bcr bcu bda bdb bdc bdd bde bdi bdm bdr bdu be- bea beb bec bed bee bei bem ber beu bi- bia bib bic bid bie bii bim bir biu bma bmb bmc bmd bme bmi bmm bmr bmu bra brb brd bre bri brm brr bru bua bub buc bud bue bui bum bur buu c-- caa cab cac cad cae cai cam car cau cba cbb cbc cbd cbe cbi cbm cbr cbu cca ccb ccc ccd cce cci ccm ccr ccu cda cdb cdc cdd cde cdi cdm cdr cdu ce- cea ceb cec ced cee cei cem cer ceu ci- cia cib cic cid cie cii cim cir ciu cma cmb cmc cmd cme cmi cmm cmr cmu cra crb crc crd cre cri crm crr cru cua cub cuc cud cue cui cum cur cuu daa dab dac dad dae dai dam dar dau dba dbb dbc dbd dbe dbi dbm dbr dbu dca dcb dcc dcd dce dci dcm dcr dcu dda ddb ddc ddd dde ddi ddm ddr ddu de- dea deb dec ded dee dei dem der deu di- dia dib dic did die dii dim dir diu dma dmb dmc dmd dme dmi dmm dmr dmu dra drb drc drd dre dri drm drr dru dua dub duc dud due dui dum dur eaa eab eac ead eae eai eam ear eau eba ebb ebc ebd ebe ebi ebm ebr ebu ec- eca ecb ecc ecd ece eci ecm ecr ecu ed- eda edb edc edd ede edi edm edr edu eea eeb eec eed eee eem eer eia eib eic eid eie eii eim eir eiu em- ema emb emc emd eme emi emm emr emu era erb erc erd ere eri erm err eru eu- eua eub euc eud eue eui eur i-d ia- iaa iab iac iad iae iai iam iar iau iba ibb ibc ibd ibe ibi ibm ibr ibu ica icb icc icd ice ici icm icr icu ida idb idc idd ide idi idm idr idu ie- iea iec ied iee iei iem ier iia iib iic iid iie iii iim iir iiu im- ima imb imc imd ime imi imm imu ir- ira irb irc ird ire iri irm irr iru iu- iua iub iuc iud iue iui ium iur m-r maa mab mac mad mae mai mam mar mau mba mbb mbc mbd mbe mbi mbm mbr mbu mc- mca mcb mcc mcd mce mci mcm mcr mcu mda mdb mdc mdd mde mdi mdm mdr mdu mea meb mec med mee mei mem mer meu mi- mia mib mic mid mie mii mim mir miu mma mmb mmc mmd mme mmi mmm mmr mmu mra mrb mrc mrd mre mri mrm mrr mru mua mub muc mud mue mui mum mur muu ra- raa rab rac rad rae rai ram rar rau rba rbb rbc rbd rbe rbi rbm rbr rbu rca rcb rcc rcd rce rci rcm rcr rcu rda rdb rdc rdd rde rdi rdm rdr rdu re- rea reb rec red ree rei rem rer reu ria rib ric rid rie rii rim rir rma rmb rmc rmd rme rmi rmm rmr rra rrb rrc rrd rri rrm rrr rru rua rub ruc rud rue rui rum rur ruu ua- uaa uab uac uad uae uai uam uar uau uba ubb ubc ube ubi ubr ubu uca ucb ucc ucd uce uci ucm ucr ucu uda udb udc udd ude udi udm udr udu uea ueb uec ued uee uei uem uer uia uib uic uid uie uii uim uir uiu um- uma umb umc umd ume umi umm umr umu ur- ura urb urc urd ure uri urm urr uru uua uuc uue uum uur uuu

a-be a-ii aaaa aaab aaac aaad aaae aaai aaam aaar aaba aabb aabc aabd aabi aabm aaca aacb aacc aacd aace aaci aacm aacr aacu aada aadc aade aadi aadu aaea aaec aaem aaib aaic aaii aama aamb aamc aamd aame aami aamr aara aarc aard aare aari aarm aaru abaa abab abac abad abae abai abam abar abau abb- abba abbb abbe abbi abbr abca abcb abcc abcd abci abcr abda abdi abdu abec abed abee aber abia abib abic abid abie abim abir abiu abma abmb abmc abra abrc abri abua abud abue abum acaa acab acac acad acae acai acar acba acca accc accd acce acci accm accu acda acdb acdc acde acdi acdm ace- acea acec aced acem acer aci- acia acic acid acie acim acir acma acmc acme acmi acmu acr- acra acrc acre acri acrm acrr acu- acue acum acur adaa adab adac adad adae adai adam adar adba adbc adbi adcc adci adda addc addd adde addi addr addu adea adeb adee adem ader adia adib adic adie adim adir adma admb adme admi admr adra adre adua adub adue adur aeac aebi aecb aeci aede aeer aer- aera aerc aerd aeri aiai aiba aica aicc aicd aice aicr aida aidb aidc aide aidi aidr aidu aiea aiee aiia aiib aiic aiid aiir aimc aime aimi aimm aira aird aire airi aiud aiui amaa amac amad amae amai amam amar amb- amba ambe ambi ambr ambu amca amcc amda amec amed amee amei amer ameu amia