a-a a-b a-i aaa aab aaf aah aai aar aas ab- aba abb abf abh abi abr abs af- afa afb aff afh afi afr afs aha ahb ahf ahh ahi ahr ahs ai- aia aib aif aih aii air ais ar- ara arb arf arh ari arr ars as- asa asb asf ash asi asr ass baa bab baf bah bai bar bas bba bbb bbf bbh bbi bbr bbs bfa bfb bff bfh bfi bfr bfs bha bhb bhf bhh bhi bhr bhs bi- bia bib bif bih bii bir bis bra brb brf brh bri brr brs bsa bsb bsf bsh bsi bsr bss faa fab faf fah fai far fas fba fbb fbf fbh fbi fbr fbs ffa fff ffh ffi ffr ffs fha fhb fhf fhh fhi fhr fhs fia fib fif fih fii fir fis fra frb frf frh fri frr frs fsa fsb fsf fsh fsi fsr fss h-i haa hab haf hah hai har has hba hbb hbf hbh hbi hbr hbs hfa hfb hff hfh hfi hfr hfs hha hhb hhf hhh hhi hhr hhs hia hib hif hih hii hir his hr- hra hrb hrf hrh hri hrr hrs hsa hsb hsf hsh hsi hsr hss i-f ia- iaa iab iaf iah iai iar ias iba ibb ibf ibh ibi ibr ibs ifa ifb iff ifi ifr ifs iha ihb ihf ihh ihi ihr ihs iia iib iif iih iii iir iis ir- ira irb irf iri irr irs is- isa isb isf ish isi isr iss ra- raa rab raf rah rai rar ras rba rbb rbf rbh rbi rbr rbs rfa rfb rff rfh rfi rfr rfs rh- rha rhb rhf rhh rhi rhr rhs ria rib rif rih rii rir ris rra rrb rrf rrh rri rrr rrs rsa rsb rsf rsh rsi rsr rss saa sab saf sah sai sar sas sba sbb sbf sbh sbi sbr sbs sfa sfb sff sfh sfi sfr sfs sh- sha shb shf shh shi shr shs sia sib sif sih sii sir sis sr- sra srb srf srh sri srr srs ss- ssa ssb ssf ssh ssi ssr sss

a-ha a-ii aaaa aaab aaaf aaah aaai aaar aaas aaba aabb aabh aabi aafa aafb aaff aafi aaha aahs aaib aaii aais aara aari aars aasa aasf aasi aass abaa abab abaf abai abar abas abb- abba abbb abbi abbr abbs abff abha abhi abhr abhs abia abib abir abis abra abri abrs abs- absa absf absi abss afaa afar afbs affa affi affs afhs afia afib afif afir afis afr- afra afri afrs afsa afsb ahab ahah ahai ahar ahas ahfa ahha ahhs ahir ahis ahra ahrr ahrs ahsa ahss aiai aias aiba aiff aifs aiha aihs aiia aiib aiir aira airh airi airs aisa aisb aish aisi aisr arab araf arah arai arar aras arba arbh arbi arbs arfa arfb arff arfs arh- arhs aria arib arif arii aris arr- arra arrh arri arrr arrs ars- arsa arsi asaa asab asaf asah asai asar asas asba asfa asfi asha ashi ashs asia asif asii asir asis asra asrs assa assh assi assr asss ba-i baaa baaf baah baar baas baba babb babi babr babs baff baha bahi bahr bahs baia baib bair bais bar- bara barb barf barh bari barr bars basa basf bash basi bass bbas bbbb bbbs bbhs bfas bffs bfhs bfsi bfsr bhai bhar bhff bhhs bhir bhra bhsf biaf biar bias biba bibb bibi bibs bifa biff bifi biha bihi bihs biis bira birb biri birr birs bis- bisa bish biss brab braf brah brai bras brhs bria brih bris brrr brrs brsb brsr bsaa bsas bsfa bsff bsfs bshs bsra faaa faah faas faba fabi fabs fafa faff fafi faha fahr fahs fair fais fara farb farr fars fasa fash fasi fass fbar fbhs fbis fbrs ffar ffff ffhs ffii ffrr ffsa ffss fhas fhfs fhhs fhrs fhss fiaa fiaf fiar fias fiba fibs fifa fiff fifi fiii fira firs fisa fish fisi fiss frab fras frhs fria frib fris frsb fsai fsas fsfi fshb fshs fsia fsra fssa fssf h-ii haab haaf haar haas haba habi habs hafb haff hafs haha hahs haif hair hais hara harf harh hari harr hars hasa hash hasi hass hbar hbbs hbhs hbrs hbss hfba hfhs hfrs hfss hhaa hhhh hhhs hiaa hiab hiar hias hiba hibi hifa hiff hifh hifi hifr hihi hiis hira hirf hiri hirs hisb hish hiss hras hrhs hrib hsas hsfs hshs hsia iaaa iaai iaas iaba iaff iahs 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 ihab ihba ihis ihra ihsa ihss iias iifa iiii iiis iira iirs iisi iisr iraf irai irar iras irhs iri- iria iris irra irri irrs irsa irsf is-a isaf isai isar isas isba isfa isha ishi ishr ishs isia isis isra isri issa issf issh issi issr isss raab raaf raas raba rabb rabi rabs rafa raff rafi raha rahi rahr rahs raia raif raii rair rais rara rarb rarf rari rars rasa rash rasi rass rbaf rbbb rbbr rbbs rbhs rbis rbss rfhs rhfs rhhs rhib riaa riab riah riai rias rib- riba ribs rifa riff rifs riha rihs riia riif riis riri rirs risa rish risi riss rrah rras rrhs rrif rrrr rsaa rsaf rsai rsbi rshs rsis rssa s-ib s-ii saab saaf saah saar saas saba sabb sabi sabr sabs safa safb saff safi safr saha sahi sahr sahs saia saif saih sair sais sara sarf sarh sari sarr sars sasa sasf sash sasi sass sbaa sbai sbar sbas sbbs sbhs sbia sbsa sbsi sfar sfas sfba sfha sfhs sfia sfra sfss shab shah shai shar shas shbs shha shhh shhs shia shib shih shii shir shis shri shrs siaa siab siaf siah siai sias siba sibi sibs sifa siff sifr siha sihi sihr sihs sira sirf siri sirr sirs sisa