-ic a-a a-b a-c a-i aaa aab aac aaf aai aao aar aas aay ab- aba abb abc abf abi abo abr abs aby ac- aca acb acc acf aci aco acr acs acy af- afa afb afc aff afi afo afr afs afy ai- aia aib aic aif aii aio air ais aiy aoa aob aoc aof aoi aoo aor aos ar- ara arb arc arf ari aro arr ars ary as- asa asb asc asf asi aso asr ass asy ay- aya ayc ayf ayi ayo ayr ays baa bab bac baf bai bao bar bas bay bba bbb bbc bbf bbi bbo bbr bbs bby bca bcb bcc bcf bci bco bcr bcs bcy bfa bfb bfc bff bfi bfo bfr bfs bfy bi- bia bib bic bif bii bio bir bis biy boa bob boc bof boi boo bor bos boy bra brb brf bri bro brr brs bry bsa bsb bsc bsf bsi bso bsr bss bsy by- bya byc byf byi byo byr bys c-- caa cab cac caf cai cao car cas cay cba cbb cbc cbf cbi cbo cbr cbs cby cca ccb ccc ccf cci cco ccr ccs cfa cfb cfc cff cfi cfo cfr cfs ci- cia cib cic cif cii cio cir cis co- coa cob coc cof coi coo cor cos coy cra crb crc crf cri cro crr crs cry csa csb csc csf csi cso csr css csy cya cyb cyc cyf cyo cyr cys faa fab fac faf fai fao far fas fay fba fbb fbc fbf fbi fbo fbr fbs fca fcb fcc fcf fci fco fcr fcs fcy ffa ffc fff ffi ffo ffr ffs ffy fia fib fic fif fii fir fis foa fob foc fof foi foo for fos foy fra frb frc frf fri fro frr frs fry fsa fsb fsc fsf fsi fso fsr fss fy- fya fyb fyc fyi fyo i-f ia- iaa iab iac iaf iai iao iar ias iba ibb ibc ibf ibi ibo ibr ibs iby ica icb icc icf ici ico icr ics icy ifa ifb ifc iff ifi ifo ifr ifs ify iia iib iic iif iii iio iir iis io- ioa iob ioc iof ioi ioo ior ios ir- ira irb irc irf iri iro irr irs iry is- isa isb isc isf isi iso isr iss isy iya iyc iyo iyr iys iyy o-i oaa oab oac oaf oai oao oar oas ob- oba obb obc obf obi obo obr obs oby oc- oca ocb occ ocf oci oco ocr ocs of- ofa ofb ofc off ofi ofo ofr ofs oia oib oic oif oii oio oir ois oo- ooa oob ooc oof ooi ooo oor oos or- ora orb orc orf ori oro orr ors ory os- osa osb osc osf osi oso osr oss oya oyi oyo oys ra- raa rab rac raf rai rao rar ras ray rba rbb rbc rbf rbi rbo rbr rbs rca rcb rcc rcf rci rco rcr rcs rfa rfb rfc rff rfi rfo rfr rfs ria rib ric rif rii rio rir ris riy roa rob roc rof roi roo ror ros roy rra rrb rrc rrf rri rrr rrs rsa rsb rsc rsf rsi rso rsr rss ry- rya ryc ryf ryo ryr rys ryy saa sab sac saf sai sao sar sas say sba sbb sbc sbf sbi sbo sbr sbs sby sca scb scc scf sci sco scr scs sfa sfb sfc sff sfi sfo sfr sfs sia sib sic sif sii sio sir sis soa sob soc sof soi soo sor sos soy sr- sra srb src srf sri sro srr srs sry ss- ssa ssb ssc ssf ssi sso ssr sss sy- sya syb syc syi syr sys yaa yab yac yaf yai yao yar yas yay ybc ybf ybi ybr ybs yby yca ycc ycf yci yco ycs ycy yfa yfc yff yfr yfs yif yii yio yir yis yob yoc yof yoi yoo yor yos yoy yra yrc yrf yro yrs ysa ysb ysc ysi yso ysr yss ysy yyb yyc yyf yys yyy

a-ii a-ya a-yo aaaa aaab aaac aaaf aaai aaar aaas aaba aabb aabc aabi aaby aaca aacb aacc aacf aaci aaco aacr aacs aacy aafa aafb aafc aaff aafi aaib aaic aaii aais aaoo aara aarc aari aaro aars aasa aasc aasf aasi aass abaa abab abac abaf abai abar abas abay abb- abba abbb abbi abbo abbr abbs abby abca abcb abcc abcf abci abcr abcs abff abia abib abic abir abis abiy aboa abob abof aboo abor abos aboy abra abrc abri abro abrs abry abs- absa absf absi abss abyc abys abyy acaa acab acac acai acar acas acba acca accc accf acci acco accs accy acfc acfi acfs aci- acia acic acif acir acis acoa acor acos acoy acr- acra acrc acri acro acrr acrs acry acsa acsc acsi acss afaa afao afar afbs afca afcb afcc afci afcs affa affc affi affo affs affy afia afib afif afir afis afoa afoo afor afr- afra afrc afri afro afrs afsa afsb afsc aiai aias aiba aibo aica aicc aicf aicr aics aiff aifs aiia aiib aiic aiir aioc aioi aira airi airo airs airy aisa aisb aisi aiso aisr aisy aiyf aoba aoca aocs aora aorb aors aoss arab arac araf arai arar aras aray arba arbi arbs arby arc- arca arci arco arcs arfa arfb arfc arff arfs aria arib arif arii ario aris aroa arob aroi aroo aror aros arr- arra arrc arri arro arrr arrs arry ars- arsa arsc arsi arso arsy ary- arya arys asaa asab asac asaf asai asao asar asas asay asba asbo asby asc- asca ascb ascc asci asco ascr asfa asfi asia asic asif asii asio asir asis asob asoc asof asoi asor asos asra asrc asro asrs assa assc assi asso assr asss assy asya ay-o ayao ayar ayas ayay ayca ayoo ayos ayra ayry ayya ba-i baaa