a-a a-b a-i aaa aab aaf aai aar aas ab- aba abb abf abi abr abs af- afa afb aff afi afr afs ai- aia aib aif aii air ais ar- ara arb arf ari arr ars as- asa asb asf asi asr ass baa bab baf bai bar bas bba bbb bbf bbi bbr bbs bfa bfb bff bfi bfr bfs bi- bia bib bif bii bir bis bra brb brf bri brr brs bsa bsb bsf bsi bsr bss faa fab faf fai far fas fba fbb fbf fbi fbr fbs ffa fff ffi ffr ffs fia fib fif fii fir fis fra frb frf fri frr frs fsa fsb fsf fsi fsr fss i-f ia- iaa iab iaf iai iar ias iba ibb ibf ibi ibr ibs ifa ifb iff ifi ifr ifs iia iib iif iii iir iis ir- ira irb irf iri irr irs is- isa isb isf isi isr iss ra- raa rab raf rai rar ras rba rbb rbf rbi rbr rbs rfa rfb rff rfi rfr rfs ria rib rif rii rir ris rra rrb rrf rri rrr rrs rsa rsb rsf rsi rsr rss saa sab saf sai sar sas sba sbb sbf sbi sbr sbs sfa sfb sff sfi sfr sfs sia sib sif sii sir sis sr- sra srb srf sri srr srs ss- ssa ssb ssf ssi ssr sss

a-ii aaaa aaab aaaf aaai aaar aaas aaba aabb aabi aafa aafb aaff aafi aaib aaii aais aara aari aars aasa aasf aasi aass abaa abab abaf abai abar abas abb- abba abbb abbi abbr abbs abff abia abib abir abis abra abri abrs abs- absa absf absi abss afaa afar afbs affa affi affs afia afib afif afir afis afr- afra afri afrs afsa afsb aiai aias aiba aiff aifs aiia aiib aiir aira airi airs aisa aisb aisi aisr arab araf arai arar aras arba arbi arbs arfa arfb arff arfs aria arib arif arii aris arr- arra arri arrr arrs ars- arsa arsi asaa asab asaf asai asar asas asba asfa asfi asia asif asii asir asis asra asrs assa assi assr asss ba-i baaa baaf baar baas baba babb babi babr babs baff baia baib bair bais bar- bara barb barf bari barr bars basa basf basi bass bbas bbbb bbbs bfas bffs bfsi bfsr biaf biar bias biba bibb bibi bibs bifa biff bifi biis bira birb biri birr birs bis- bisa biss brab braf brai bras bria bris brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bsra faaa faas faba fabi fabs fafa faff fafi fair fais fara farb farr fars fasa fasi fass fbar fbis fbrs ffar ffff ffii ffrr ffsa ffss fiaa fiaf fiar fias fiba fibs fifa fiff fifi fiii fira firs fisa fisi fiss frab fras fria frib fris frsb fsai fsas fsfi fsia fsra fssa fssf iaaa iaai iaas iaba iaff iaia iais iara iars iasa iasi iasr ibar ibas ibfi ibia ibis ibra ibri ibsa ibsf ibss ifaa ifar ifas ifbb ifis ifra ifrb ifrf ifri ifsa ifsb iias iifa iiii iiis iira iirs iisi iisr iraf irai irar iras iri- iria iris irra irri irrs irsa irsf is-a isaf isai isar isas isba isfa isia isis isra isri issa issf issi issr isss raab raaf raas raba rabb rabi rabs rafa raff rafi raia raif raii rair rais rara rarb rarf rari rars rasa rasi rass rbaf rbbb rbbr rbbs rbis rbss riaa riab riai rias rib- riba ribs rifa riff rifs riia riif riis riri rirs risa risi riss rras rrif rrrr rsaa rsaf rsai rsbi rsis rssa s-ib s-ii saab saaf saar saas saba sabb sabi sabr sabs safa safb saff safi safr saia saif sair sais sara sarf sari sarr sars sasa sasf sasi sass sbaa sbai sbar sbas sbbs sbia sbsa sbsi sfar sfas sfba sfia sfra sfss siaa siab siaf siai sias siba sibi sibs sifa siff sifr sira sirf siri sirr sirs sisa sisi siss sraf sras srfi srib sris ssaa ssab ssas ssbr ssis ssra ssri ssrs sssa sssb sssf sssi ssss

-aaa- a-fib a-iii aaaai aaaas aaais aaasa aaass aabaa aabba aabfs aabra aafir aaiib aaria aasai aasia aasra abaab ababa ababs abaia abair abara abari abasa abasi abass abbai abbar abbas abbia abbrs abfab abffs abias abibs abira abirs abiss abrar abras abris absar absis afair afara afari afars afasi affif afibs afifa afsar aiaff aiaia aibar aifar airai airba airis airsa airss aisai aissa ar-ab arab- araba arabi arabs araia arara arari arars arass arbab arbar arbas arbia arbib arbir arbis ariab arias arifs arisa ariss arrai arras arria arris arsia arsis as-is asaba asafa asaia asair asara asari asasa asbis asbri asfar asiab asias asifi asira asrai asrar assab assaf assai assas assia assir assis baari baars babai babar babas babbs babia babra baffa baffi baffs bafia bafra baiba baira baisa baisi baraa barab barai barar baras barba barbi barbs barff barfi barfs bari- baria baris barra barri barrs barsa barsi barss basab basai basar basfi basi- basia basir basis basra basri bassa bassi bbiab bbiaf biafr biara biari biasi bibar bibas bibbs bibia bibis bibra bibri biffa biffi biffs birar biras birba birrs bisas bisfi bisra bissa braai braas braff brais brasa brasi brass briar brias brisa brisb brisi briss brrar brrrr bsaba bsisa bsria fabas fabfi fabia fabra fabri faffs fafia fafsa fairs faisi farab faras farbs farfa faria faris farrs farsa farsb farsi fiars fibia fibis fibr- fibra fisba fissi fraba frabs frais frari frass friar frias friba friis frisa friss iaras iasis ibaba ibafa ibara ibars ibiai ibias if-- ifafa ifias ifsar iiiii iiris iisir iraia irais irara irbis iriaf iriba iris- iriss irssi is-as is-is isaar isaba isaff isaia isais isara isari isasa isbas isfar isias isira isisi isrib issia ra-ra raaba raaff raasa raasi rabab rabai rabas rabba rabbi rabia rabif rabis rabri rafar raffa raffi raffs rafia rafsi raiff raisa raisi raiss raraf rarfs rasar rasas rasfa