a-a a-b a-i aaa aab aai aap aar aas ab- aba abb abi abp abr abs ai- aia aib aii aip air ais ap- apa apb api app apr aps ar- ara arb ari arp arr ars as- asa asb asi asp asr ass b-p baa bab bai bap bar bas bba bbb bbi bbp bbr bbs bi- bia bib bii bip bir bis bpa bpb bpi bpp bpr bps bra brb bri brp brr brs bsa bsb bsi bsp bsr bss ia- iaa iab iai iap iar ias iba ibb ibi ibp ibr ibs iia iib iii iip iir iis ipa ipb ipi ipp ipr ips ir- ira irb iri irp irr irs is- isa isb isi isp isr iss p-p paa pab pai pap par pas pba pbb pbi pbp pbr pbs pia pib pii pip pir pis ppa ppb ppi ppp ppr pps pra prb pri prp prr prs ps- psa psb psi psp psr pss ra- raa rab rai rap rar ras rba rbb rbi rbp rbr rbs ria rib rii rip rir ris rpa rpb rpi rpp rpr rps rra rrb rri rrp rrr rrs rsa rsb rsi rsp rsr rss saa sab sai sap sar sas sba sbb sbi sbp sbr sbs sia sib sii sip sir sis spa spb spi spp spr sps sr- sra srb sri srp srr srs ss- ssa ssb ssi ssp ssr sss

a-ii aaaa aaab aaai aaap aaar aaas aaba aabb aabi aabp aaib aaii aais aapa aapi aaps aara aari aarp aars aasa aasi aass abaa abab abai abap abar abas abb- abba abbb abbi abbr abbs abia abib abir abis abpa abpi abpp abpr abps abra abri abrs abs- absa absi absp abss aiai aias aiba aiia aiib aiir aipa aipi aips aira airi airp airs aisa aisb aisi aisr apai apap apar apas apba apbr apbs api- apia apip apis appa appr apps apra apri aprs apsa apsi apss arab arai arap arar aras arba arbi arbs aria arib arii arip aris arpa arpi arps arr- arra arri arrr arrs ars- arsa arsi asaa asab asai asap asar asas asba asia asii asip asir asis aspa aspi aspr asps asra asrs assa assi assp assr asss ba-i baaa baar baas baba babb babi babr babs baia baib bair bais bapa bapi bapp baps bar- bara barb bari barr bars basa basi bass bbas bbbb bbbs bbpr biap biar bias biba bibb bibi bibs biis bipa bipp bips bira birb biri birr birs bis- bisa bisp biss bpai bpsa brab brai bras bria bris brrr brrs brsb brsr bsaa bsap bsas bspp bspr bsra iaaa iaai iaap iaas iaba iaia iais iapa iapp iaps iara iars iasa iasi iasp iasr ibar ibas ibia ibis ibra ibri ibsa ibss iias iiii iiis iipa iira iirs iisi iisp iisr ipas ipba ippa ippr ipri ipsa ipsi ipsp ipss irai irap irar iras irbp iri- iria irip iris irpa irps irra irri irrs irsa irsp is-a isai isar isas isba isia isis ispa ispr isps isra isri isrp issa issi issp issr isss paap paar paas paba paia paib paip pair pais papa papb papi papp papr paps par- para pari parp parr pars pasa pasi pasp pass pbar pbpa pbrs pbsa pbsp piai pias pibb pibi piia piip pipa pipi pipp pips pira piri pirr pirs pisa pisi piss ppap ppar ppib pppa pppp ppps ppss prai prar pras prbs pri- pria prii pris prps prri prrs prsa prsi prss psap psas psbr psia psip psis pspi pspp pspr psps psrp pssa raab raas raba rabb rabi rabs raia raii raip rair rais rapa rapi rapp raps rara rarb rari rars rasa rasi rasp rass rbbb rbbr rbbs rbis rbsp rbss riaa riab riai rias rib- riba ribs riia riis ripa ripi ripp ripr rips riri rirs risa risi risp riss rpii rpps rras rrrr rrsp rsaa rsai rsbi rsis rspb rsps rssa s-ib s-ii saab saap saar saas saba sabb sabi sabr sabs saia saip sair sais sapa sapi sapp saps sara sari sarp sarr sars sasa sasi sass sbaa sbai sbar sbas sbbs sbia sbsa sbsi sbsp siaa siab siai sias siba sibi sibs sipa sipi sipp sips sira siri sirp sirr sirs sisa sisi siss sp-a spap spar spas spia spib spip spir spis spps spri sprs spsa spsp spss sras srib sris srps srsp ssaa ssab ssap ssas ssbr ssis sspa ssps ssra ssri ssrs sssa sssb sssi ssss

-aaa- a-a-p a-iii aaaai aaaas aaaip aaais aaasa aaass aabaa aabba aabps aabra aaiib aaria aasai aasia aasra abaab ababa ababs abaia abair abara abari abasa abasi abass abbai abbar abbas abbia abbrs abias abibs abipa abira abirs abiss abrar abras abris absar absis aiaia aibar airai airba airis airsa airss ais-p aisai aissa apair apapa apar- apara apars apasa apass apipa apisa appar appia appii apris apsar apsis ar-ab arab- araba arabi arabs araia arapi arara arari arars arass arbab arbar arbas arbia arbib arbir arbis ariab arias arisa ariss arpar arpas arpia arrai arras arria arris arsia arsis as-is asaba asaia asair asara asari asarp asasa asbis asbri asiab asias asipa asira aspar aspas aspis aspra aspri asrai asrar assab assai assas assia assir assis baari baars babai babar babas babbs babia babra baiba baira baisa baisi baraa barab barai barar baras barba barbi barbs bari- baria baris barra barri barrs barsa barsi barss basab basai basar basi- basia basir basis baspa basra basri bassa bassi bbiab biara biari biasi bibar bibas bibbs bibia bibis bibra bibri bipib birar biras birba birrs bisas bisra bissa bpips braai braas brais brasa brasi brass briar brias brisa brisb brisi briss brrar brrrr bsaba bsisa bsria bssap iabpa iapir iaras iasis ibaba ibara ibars ibiai ibias iiiii iiris iisir ipaba ipass ipira ippai ipsi- iraia irais irapa irara irbis iriba iris- iriss irssi is-as is-is isaar isaba isaia isais isara isari isasa isbas isias isira isisi ispra isrib issia paapi paara paarp paars paasi pabai pabas