-er -ic a-a a-b a-c a-i aaa aab aac aae aai aak aar aas aau ab- aba abb abc abe abi abk abr abs abu ac- aca acb acc ace aci ack acr acs acu aea aeb aec aee aei aek aer aes aeu ai- aia aib aic aie aii aik air ais aiu aka akb akc ake aki akk akr aks aku ar- ara arb arc are ari ark arr ars aru as- asa asb asc ase asi ask asr ass asu au- aua aub auc aue aui auk aur aus b-u baa bab bac bae bai bak bar bas bau bba bbb bbc bbe bbi bbk bbr bbs bbu bca bcb bcc bce bci bck bcr bcs bcu be- bea beb bec bee bei bek ber bes beu bi- bia bib bic bie bii bik bir bis biu bka bkb bkc bke bkk bkr bks bra brb bre bri brk brr brs bru bsa bsb bsc bse bsi bsk bsr bss bsu bua bub buc bue bui buk bur bus buu c-- caa cab cac cae cai cak car cas cau cba cbb cbc cbe cbi cbk cbr cbs cbu cca ccb ccc cce cci cck ccr ccs ccu ce- cea ceb cec cee cei cek cer ces ceu ci- cia cib cic cie cii cik cir cis ciu cka ckb ckc cki cks cra crb crc cre cri crk crr crs cru csa csb csc cse csi csk csr css csu cua cub cuc cue cui cuk cur cus cuu eaa eab eac eae eai eak ear eas eau eba ebb ebc ebe ebi ebk ebr ebs ebu ec- eca ecb ecc ece eci eck ecr ecs ecu eea eeb eec eee eek eer ees eia eib eic eie eii eik eir eis eiu eka ekb ekc eke eki ekr eks eku era erb erc ere eri erk err ers eru es- esa esb esc ese esi esk esr ess esu eu- eua eub euc eue eui eur eus ia- iaa iab iac iae iai iar ias iau iba ibb ibc ibe ibi ibk ibr ibs ibu ica icb icc ice ici ick icr ics icu ie- iea iec iee iei iek ier ies iia iib iic iie iii iir iis iiu ika ikb ikc ike iki ikk ikr iks iku ir- ira irb irc ire iri irk irr irs iru is- isa isb isc ise isi isk isr iss isu iu- iua iub iuc iue iui iur ius ka- kaa kab kac kae kai kak kar kas kau kba kbb kbc kbe kbi kbk kbr kbs kbu kca kcb kcc kce kci kck kcr kcs kcu ke- kea keb kec kee kei kek ker kes kia kib kic kie kii kik kir kis kiu kkb kkc kke kki kkk kkr kks kku kra krc kri krk krr krs kru ksa ksb ksc kse ksi ksk ksr kss ksu kub kuc kue kui kuk kur kus kuu ra- raa rab rac rae rai rak rar ras rau rba rbb rbc rbe rbi rbk rbr rbs rbu rca rcb rcc rce rci rcr rcs rcu re- rea reb rec ree rei rek rer res reu ria rib ric rie rii rik rir ris rkb rkc rke rkk rks rku rra rrb rrc rri rrk rrr rrs rru rsa rsb rsc rse rsi rsk rsr rss rsu rua rub ruc rue rui ruk rur rus ruu saa sab sac sae sai sak sar sas sau sba sbb sbc sbe sbi sbk sbr sbs sbu sca scb scc sce sci sck scr scs scu se- sea seb sec see sei sek ser ses seu sia sib sic sie sii sik sir sis siu sk- ska skb skc ske ski skk skr sks sku sr- sra srb src sre sri srk srr srs ss- ssa ssb ssc sse ssi ssk ssr sss ssu sua sub suc sue sui suk sur sus suu ua- uaa uab uac uae uai uak uar uas uau uba ubb ubc ube ubi ubk ubr ubs ubu uca ucb ucc uce uci uck ucr ucs ucu uea ueb uec uee uei uer ues uia uib uic uie uii uir uis uiu uka ukb ukc uke uki ukk ukr uku ur- ura urb urc ure uri urk urr urs uru usa usb usc use usi usk usr uss usu uua uuc uue uur uus uuu

-ase a-ak a-be a-ii aaaa aaab aaac aaae aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aace aaci aack aacr aacs aacu aaea aaec aaes aaib aaic aaii aais aaka aake aaku aara aarc aare aari aars aaru aasa aasc aase aasi aass aasu aaus abaa abab abac abae abai abak abar abas abau abb- abba abbb abbe abbi abbr abbs abca abcb abcc abci abcr abcs abec abee aber abes abia abib abic abie abir abis abiu abra abrc abri abrs abs- absa abse absi abss absu abua abue abuk abus acaa acab acac acae acai acar acas acba acca accc acce acci accs accu ace- acea acec acek acer aces aci- acia acic acie acir acis acke acks acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss acu- acue acur acus aeac aeas aebi aebs aecb aeci aeer aeka aer- aera aerc aeri aers aesc aess aiai aias aiba aica aicc aice aicr aics aiea aiee aiia aiib aiic aiir aika aike aiki aiks aira aire airi airs aisa aisb aise aisi aisk aisr aiui akaa akae akai akar akas akca akee aker akes akeu akia akie akik akir akis akiu akka akki akku akr- akra akre aksa aksi aksu akua arab arac arae arai arak arar aras arau arba arbe arbi arbs arc- arca arce arci arcs area arec aree arei arek ares areu aria arib arie arii arik aris arka arke arki arks arr- arra arrc arre arri arrk arrr arrs arru ars- arsa arsc arse arsi arsk arsu arua arub arue arui asaa asab asac asae asai asak asar asas asau asba asbu