a-a a-b a-i aaa aab aad aai aao aap aar aas ab- aba abb abd abi abo abp abr abs ad- ada adb add adi ado adp adr ads ai- aia aib aid aii aio aip air ais aoa aob aod aoi aoo aop aor aos ap- apa apb apd api apo app apr aps ar- ara arb ard ari aro arp arr ars as- asa asb asd asi aso asp asr ass b-p baa bab bad bai bao bap bar bas bba bbb bbd bbi bbo bbp bbr bbs bda bdb bdd bdi bdo bdp bdr bds bi- bia bib bid bii bio bip bir bis boa bob bod boi boo bop bor bos bpa bpb bpd bpi bpo bpp bpr bps bra brb brd bri bro brp brr brs bsa bsb bsd bsi bso bsp bsr bss daa dab dad dai dao dap dar das dba dbb dbd dbi dbo dbp dbr dbs dda ddb ddd ddi ddo ddp ddr dds di- dia dib did dii dio dip dir dis doa dob dod doi doo dop dor dos dpa dpb dpd dpi dpo dpp dpr dps dra drb drd dri dro drp drr drs dsa dsb dsd dsi dso dsp dsr dss i-d ia- iaa iab iad iai iao iap iar ias iba ibb ibd ibi ibo ibp ibr ibs ida idb idd idi ido idp idr ids iia iib iid iii iio iip iir iis io- ioa iob iod ioi ioo iop ior ios ipa ipb ipd ipi ipo ipp ipr ips ir- ira irb ird iri iro irp irr irs is- isa isb isd isi iso isp isr iss o-i oaa oab oad oai oao oap oar oas ob- oba obb obd obi obo obp obr obs oda odb odd odi odo odp odr ods oia oib oid oii oio oip oir ois oo- ooa oob ood ooi ooo oop oor oos op- opa opb opd opi opo opp opr ops or- ora orb ord ori oro orp orr ors os- osa osb osd osi oso osp osr oss p-p paa pab pad pai pao pap par pas pba pbb pbd pbi pbo pbp pbr pbs pda pdb pdd pdi pdo pdp pdr pds pia pib pid pii pio pip pir pis poa pob pod poi poo pop por pos ppa ppb ppd ppi ppo ppp ppr pps pra prb prd pri pro prp prr prs ps- psa psb psd psi pso psp psr pss ra- raa rab rad rai rao rap rar ras rba rbb rbd rbi rbo rbp rbr rbs rda rdb rdd rdi rdo rdp rdr rds ria rib rid rii rio rip rir ris roa rob rod roi roo rop ror ros rpa rpb rpd rpi rpo rpp rpr rps rra rrb rrd rri rrp rrr rrs rsa rsb rsd rsi rso rsp rsr rss saa sab sad sai sao sap sar sas sba sbb sbd sbi sbo sbp sbr sbs sda sdb sdd sdi sdo sdp sdr sds sia sib sid sii sio sip sir sis soa sob sod soi soo sop sor sos spa spb spd spi spo spp spr sps sr- sra srb srd sri sro srp srr srs ss- ssa ssb ssd ssi sso ssp ssr sss

a-do a-ii aaaa aaab aaad aaai aaap aaar aaas aaba aabb aabd aabi aabp aada aadi aads aaib aaii aais aaoo aapa aapi aapo aaps aara aard aari aaro aarp aars aasa aasd aasi aass abaa abab abad abai abap abar abas abb- abba abbb abbi abbo abbr abbs abda abdi abdo abia abib abid abir abis aboa abob abod aboo abor abos abpa abpd abpi abpp abpr abps abra abri abro abrs abs- absa absd absi absp abss adaa adab adad adai adao adap adar adas adba adbi adda addd addi addo addr adds adia adib adio adip adir adis adob adod adoo ador ados adp- adps adra adro adrs adsa adsi adso adsr adss aiai aias aiba aibo aida aidb aidi aidr aids aiia aiib aiid aiir aioi aipa aipi aips aira aird airi airo airp airs aisa aisb aisd aisi aiso aisr aoba aopo aora aorb aors aosd aosp aoss apai apao apap apar apas apba apbr apbs apda apdd apds api- apia apid apio apip apis apo- apod apoo apop apor apos appa appd appr apps apra apri apro aprs apsa apsi apso apss arab arad arai arap arar aras arba arbi arbs arda ardi ardo ards aria arib arid arii ario arip aris aroa arob arod aroi aroo aror aros arpa arpi arps arr- arra arri arro arrr arrs ars- arsa arsd arsi arso asaa asab asad asai asao asap asar asas asba asbo asda asdo asds asia asii asio asip asir asis asob asod asoi asop asor asos aspa aspd aspi aspo aspr asps asra asro asrs assa assd assi asso assp assr asss ba-i baaa baad baar baas baba babb babi babo babr babs bada badb badd badi bado badr bads baia baib baid baio bair bais baos bapa bapi bapp baps bar- bara barb bard bari baro barr bars basa basi baso bass bbad bbas bbbb bbbs bbdd bbdo bbpr bd-r bdii bdos bdsd biad biao biap biar bias biba bibb bibi bibo bibs bida bidi bido bidr bids biis bio- bioi bios bipa bipp bips bira birb bird biri biro birr birs bis- bisa bisd biso bisp biss boab boad boai boar boas boba bobb bobi bobo bobs boda bodb bodi bodo bods boi- boid boii bois boob bood boop boor boos bopa bopp bops bor- bora bord bori boro borr bors bosa bosi boso boss bpai bpda bprd bpsa brab brad brai brao bras brda brdo brds bria brid brio bris broa brob brod broo bror bros brrr brrs brsb brsr bsaa bsap bsas bsbd bsod bsos bspp bspr bsra bsrd bssd d-bo daab daad daap daar daas daba dabb dabo dabp dabs dada dadi dado dads daia daid daio dair dais daos dapa dapi dapp daps dara darb dard dari