-ic a-a a-b a-c a-i aaa aab aac aai aan aar aas aau ab- aba abb abc abi abn abr abs abu ac- aca acb acc aci acn acr acs acu ai- aia aib aic aii ain air ais aiu an- ana anb anc ani ann anr ans anu ar- ara arb arc ari arn arr ars aru as- asa asb asc asi asn asr ass asu au- aua aub auc aui aun aur aus b-u baa bab bac bai ban bar bas bau bba bbb bbc bbi bbn bbr bbs bbu bca bcb bcc bci bcn bcr bcs bcu bi- bia bib bic bii bin bir bis biu bna bnb bnc bni bnn bnr bns bnu bra brb bri brn brr brs bru bsa bsb bsc bsi bsn bsr bss bsu bua bub buc bui bun bur bus buu c-- caa cab cac cai can car cas cau cba cbb cbc cbi cbn cbr cbs cbu cca ccb ccc cci ccn ccr ccs ccu ci- cia cib cic cii cin cir cis ciu cn- cna cnb cnc cni cnn cnr cns cnu cra crb crc cri crn crr crs cru csa csb csc csi csn csr css csu cua cub cuc cui cun cur cus cuu ia- iaa iab iac iai ian iar ias iau iba ibb ibc ibi ibn ibr ibs ibu ica icb icc ici icn icr ics icu iia iib iic iii iin iir iis iiu in- ina inb inc ini inn inr ins inu ir- ira irb irc iri irn irr irs iru is- isa isb isc isi isn isr iss isu iu- iua iub iuc iui iur ius n-i naa nab nac nai nan nar nas nau nba nbb nbc nbi nbn nbr nbs nbu nca ncb ncc nci ncn ncr ncs ncu nia nib nic nii nin nir nis niu nna nnb nnc nni nnn nns nnu nra nrb nrc nri nrn nrr nrs nru nsa nsb nsc nsi nsn nsr nss nsu nua nub nuc nui nun nur nus nuu ra- raa rab rac rai ran rar ras rau rba rbb rbc rbi rbn rbr rbs rbu rca rcb rcc rci rcn rcr rcs rcu ria rib ric rii rin rir ris rna rnb rnc rni rnn rnr rns rnu rra rrb rrc rri rrn rrr rrs rru rsa rsb rsc rsi rsn rsr rss rsu rua rub ruc rui run rur rus ruu saa sab sac sai san sar sas sau sba sbb sbc sbi sbn sbr sbs sbu sca scb scc sci scn scr scs scu sia sib sic sii sin sir sis siu sna snb snc sni snn snr sns snu sr- sra srb src sri srn srr srs ss- ssa ssb ssc ssi ssn ssr sss ssu sua sub suc sui sun sur sus suu ua- uaa uab uac uai uan uar uas uau uba ubb ubc ubi ubn ubr ubs ubu uca ucb ucc uci ucn ucr ucs ucu uia uib uic uii uin uir uis uiu un- una unb unc uni unn unr uns unu ur- ura urb urc uri urn urr urs uru usa usb usc usi usn usr uss usu uua uuc uun uur uus uuu

-ana a-ii a-un aaaa aaab aaac aaai aaan aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aacn aacr aacs aacu aaib aaic aaii aain aais aana aani aara aarc aari aars aaru aasa aasc aasi aass aasu aaus abaa abab abac abai aban abar abas abau abb- abba abbb abbi abbr abbs abca abcb abcc abci abcn abcr abcs abia abib abic abin abir abis abiu abnu abra abrc abri abrs abs- absa absi abss absu abua abun abus acaa acab acac acai acan acar acas acba acca accc acci accs accu aci- acia acic acin acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss acu- acur acus aiai aian aias aiba aibn aica aicc aicr aics aiia aiib aiic aiin aiir aina ainc aini ains ainu aira airi airs aisa aisb aisi aisr aiui ana- anaa anab anac anai anan anar anas anau anba anbb anbi anbu anca ancc ania anib anic anin anir anis aniu anna annb anni anns anrc anri ansa ansi ansu anua anub anui anun anus arab arac arai aran arar aras arau arba arbi arbs arc- arca arci arcs aria arib arii arin aris arna arni arns arr- arra arrc arri arrr arrs arru ars- arsa arsc arsi arsu arua arub arui arun asaa asab asac asai asan asar asas asau asba asbu asc- asca ascb ascc asci ascr asia asic asii asin asir asis asnc asni asra asrc asrs asru assa assc assi assn assr asss assu asub asui asun asur asus auaa auca auci auis auna aur- aura auri ausa ausu ba-i baaa baan baar baas baba babb babi babr babs babu bac- baca bacc baci bacn bacs baia baib baic bain bair bais bana banc bani bann banr bans banu bar- bara barb barc bari barn barr bars baru basa basc basi bass basu bau- baur bbas bbau bbbb bbbs bbci bbin bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcnu bcra bcrs bcru bcsa bcsc bcsn bcss bcuc bian biar bias biba bibb bibi bibs bica bicc bici bics biin biis bin- bina binc bini binn bins binu bira birb biri birn birr birs biru bis- bisa bisc biss bisu bnai bnas bnib bnin bnrr bnss brab brac brai bran bras brau brca brcb bria bric brin bris brna brns brrr brrs brsb brsr bruc brun brus bsaa bsac bsas bsci bscs bsic bsin bsns bsra bssc buar buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buin buir buis buiu buna bunb buni bunn buns bunu bur- bura burb buri burn burr burs buru busa busc busi buss busu buus caaa caab caac caan caas caba cabi cabs cabu cac- caca cacc caci cacr caia caib caic cain cair cais caiu cana canc cani cann cans