a-a a-b a-i aaa aab aai aao aar aas aay ab- aba abb abi abo abr abs aby ai- aia aib aii aio air ais aiy aoa aob aoi aoo aor aos ar- ara arb ari aro arr ars ary as- asa asb asi aso asr ass asy ay- aya ayi ayo ayr ays baa bab bai bao bar bas bay bba bbb bbi bbo bbr bbs bby bi- bia bib bii bio bir bis biy boa bob boi boo bor bos boy bra brb bri bro brr brs bry bsa bsb bsi bso bsr bss bsy by- bya byi byo byr bys ia- iaa iab iai iao iar ias iba ibb ibi ibo ibr ibs iby iia iib iii iio iir iis io- ioa iob ioi ioo ior ios ir- ira irb iri iro irr irs iry is- isa isb isi iso isr iss isy iya iyo iyr iys iyy o-i oaa oab oai oao oar oas ob- oba obb obi obo obr obs oby oia oib oii oio oir ois oo- ooa oob ooi ooo oor oos or- ora orb ori oro orr ors ory os- osa osb osi oso osr oss oya oyi oyo oys ra- raa rab rai rao rar ras ray rba rbb rbi rbo rbr rbs ria rib rii rio rir ris riy roa rob roi roo ror ros roy rra rrb rri rrr rrs rsa rsb rsi rso rsr rss ry- rya ryo ryr rys ryy saa sab sai sao sar sas say sba sbb sbi sbo sbr sbs sby sia sib sii sio sir sis soa sob soi soo sor sos soy sr- sra srb sri sro srr srs sry ss- ssa ssb ssi sso ssr sss sy- sya syb syi syr sys yaa yab yai yao yar yas yay ybi ybr ybs yby yii yio yir yis yob yoi yoo yor yos yoy yra yro yrs ysa ysb ysi yso ysr yss ysy yyb yys yyy

a-ii a-ya a-yo aaaa aaab aaai aaar aaas aaba aabb aabi aaby aaib aaii aais aaoo aara aari aaro aars aasa aasi aass abaa abab abai abar abas abay abb- abba abbb abbi abbo abbr abbs abby abia abib abir abis abiy aboa abob aboo abor abos aboy abra abri abro abrs abry abs- absa absi abss abys abyy aiai aias aiba aibo aiia aiib aiir aioi aira airi airo airs airy aisa aisb aisi aiso aisr aisy aoba aora aorb aors aoss arab arai arar aras aray arba arbi arbs arby aria arib arii ario aris aroa arob aroi aroo aror aros arr- arra arri arro arrr arrs arry ars- arsa arsi arso arsy ary- arya arys asaa asab asai asao asar asas asay asba asbo asby asia asii asio asir asis asob asoi asor asos asra asro asrs assa assi asso assr asss assy asya ay-o ayao ayar ayas ayay ayoo ayos ayra ayry ayya ba-i baaa baar baas baba babb babi babo babr babs baby baia baib baio bair bais baos bar- bara barb bari baro barr bars bary basa basi baso bass baya bayi bayo bays bbas bbay bbbb bbbs bboy bbyo biao biar bias biba bibb bibi bibo bibs biis bio- bioi bios bira birb biri biro birr birs biry bis- bisa biso biss bisy biya biys boab boai boar boas boba bobb bobi bobo bobs boby boi- boii bois boob boor boos bor- bora bori boro borr bors bory bosa bosi boso boss boya boyi boyo boys brab brai brao bras bray bria brio bris broa brob broo bror bros brrr brrs brsb brsr bry- brya bryo bsaa bsas bsos bsra byar byas byoa byob byoi byos bysb bysi byso byss bysy i-by iaaa iaai iaas iaba iaia iais iara iars iasa iasi iaso iasr ibar ibas ibia ibis ibos ibra ibri ibro ibsa ibss ibyi iias iiii iiio iiis iioi iioo iios iira iirs iisi iisr ioba iobi ioby ioii ioio iooi iooo ioos iora iori iors ioso irai irao irar iras irby iri- iria irio iris iriy irob irra irri irrs irsa is-a isai isao isar isas isay isba isia isis iso- isor isos isra isri issa issi isso issr isss issy isys iyai iyar iyos oais oara oars oary oasi oass oasy obai obas obay obba obbo obby obia obis oboi obor obos oboy obra obri obro obsr obss oiba oiii oios oira oiry ooaa ooba oobi ooby ooia oooo ooos oora oory oosa oosi orab orai orao orar oras oray orba orbb orbi orbo orbs orby ori- oria orio oris oro- oror oros oroy orra orri orro orrs orry orsa orsi orso orsy orya orys osai osar osas osay osba osby osia osii osis osoi osoo osor osos osro ossa ossb ossi osso ossy oyas oyri oyss raab raas raba rabb rabi rabo rabs raby raia raii rair rais raob raos rara rarb rari raro rars rary rasa rasi raso rass rasy raya rayr rays rbbb rbbr rbbs rbis rbss riaa riab riai rias rib- riba ribo ribs riby riia riis rios riri rirs risa risi riso riss riya riyo roab roar roas rob- roba robb robi robo robs roby roia roio roir rois roob rooi roor roos rora rori roro rory rosa rosi roso ross rosy roya roys rras rrrr rsaa rsai rsbi rsis rsos rssa ryas ryba ryis ryob rysy s-ib s-ii s-os saab saar saas saba sabb sabi sabo sabr sabs saia sair sais saoi saor saos sara sari saro sarr sars sary sasa sasi saso sass saya sayi sayo sayr says sbaa sbai sbar sbas sbbs sbia sbor sbsa sbsi siaa siab siai sias siba sibi sibo sibs siby sior sios sira siri siro sirr sirs sisa sisi siss sisy siya siyi soar soas soay soba sobo sobr sobs soia soir sois soor soos sooy sora sorb sori soro sorr sors sory sosa sosi soso soss soya soyo soys sras srby srib sris sros ssaa ssab ssao ssas ssbr ssby ssis ssra ssri ssrs sssa sssb sssi ssss syar sybo syia