a-a a-b a-i aaa aab aad aai aao aap aas ab- aba abb abd abi abo abp abs ad- ada adb add adi ado adp ads ai- aia aib aid aii aio aip ais aoa aob aod aoi aoo aop aos ap- apa apb apd api apo app aps as- asa asb asd asi aso asp ass b-p baa bab bad bai bao bap bas bba bbb bbd bbi bbo bbp bbs bda bdb bdd bdi bdo bdp bds bi- bia bib bid bii bio bip bis boa bob bod boi boo bop bos bpa bpb bpd bpi bpo bpp bps bsa bsb bsd bsi bso bsp bss daa dab dad dai dao dap das dba dbb dbd dbi dbo dbp dbs dda ddb ddd ddi ddo ddp dds di- dia dib did dii dio dip dis doa dob dod doi doo dop dos dpa dpb dpd dpi dpo dpp dps dsa dsb dsd dsi dso dsp dss i-d ia- iaa iab iad iai iao iap ias iba ibb ibd ibi ibo ibp ibs ida idb idd idi ido idp ids iia iib iid iii iio iip iis io- ioa iob iod ioi ioo iop ios ipa ipb ipd ipi ipo ipp ips is- isa isb isd isi iso isp iss o-i oaa oab oad oai oao oap oas ob- oba obb obd obi obo obp obs oda odb odd odi odo odp ods oia oib oid oii oio oip ois oo- ooa oob ood ooi ooo oop oos op- opa opb opd opi opo opp ops os- osa osb osd osi oso osp oss p-p paa pab pad pai pao pap pas pba pbb pbd pbi pbo pbp pbs pda pdb pdd pdi pdo pdp pds pia pib pid pii pio pip pis poa pob pod poi poo pop pos ppa ppb ppd ppi ppo ppp pps ps- psa psb psd psi pso psp pss saa sab sad sai sao sap sas sba sbb sbd sbi sbo sbp sbs sda sdb sdd sdi sdo sdp sds sia sib sid sii sio sip sis soa sob sod soi soo sop sos spa spb spd spi spo spp sps ss- ssa ssb ssd ssi sso ssp sss

a-do a-ii aaaa aaab aaad aaai aaap aaas aaba aabb aabd aabi aabp aada aadi aads aaib aaii aais aaoo aapa aapi aapo aaps aasa aasd aasi aass abaa abab abad abai abap abas abb- abba abbb abbi abbo abbs abda abdi abdo abia abib abid abis aboa abob abod aboo abos abpa abpd abpi abpp abps abs- absa absd absi absp abss adaa adab adad adai adao adap adas adba adbi adda addd addi addo adds adia adib adio adip adis adob adod adoo ados adp- adps adsa adsi adso adss aiai aias aiba aibo aida aidb aidi aids aiia aiib aiid aioi aipa aipi aips aisa aisb aisd aisi aiso aoba aopo aosd aosp aoss apai apao apap apas apba apbs apda apdd apds api- apia apid apio apip apis apo- apod apoo apop apos appa appd apps apsa apsi apso apss asaa asab asad asai asao asap asas asba asbo asda asdo asds asia asii asio asip asis asob asod asoi asop asos aspa aspd aspi aspo asps assa assd assi asso assp asss ba-i baaa baad baas baba babb babi babo babs bada badb badd badi bado bads baia baib baid baio bais baos bapa bapi bapp baps basa basi baso bass bbad bbas bbbb bbbs bbdd bbdo bdii bdos bdsd biad biao biap bias biba bibb bibi bibo bibs bida bidi bido bids biis bio- bioi bios bipa bipp bips bis- bisa bisd biso bisp biss boab boad boai boas boba bobb bobi bobo bobs boda bodb bodi bodo bods boi- boid boii bois boob bood boop boos bopa bopp bops bosa bosi boso boss bpai bpda bpsa bsaa bsap bsas bsbd bsod bsos bspp bssd d-bo daab daad daap daas daba dabb dabo dabp dabs dada dadi dado dads daia daid daio dais daos dapa dapi dapp daps dasa dasb dasd dasi dass dbas dbos dbpd dbsa dbss dddd ddpo ddps ddss dia- diab diad diao diap dias diba dibb dibo dibp dibs dida didi dido dids diii diis diop dios dipa dipo dipp dips dis- disa disd disi diso disp diss doab doap doas doba dobb dobi dobs dod- doda dodd dodi dodo dods doid dois doob dood doop doos dopa dopo dopp dops dosa dosi doso doss dpaa dpos dppa dpsd dsap dsba dsda dsdp dsip dsoa dsos dsps dssa dssi dssp iaaa iaai iaap iaas iaba iadb iaia iais iapa iapp iaps iasa iasi iaso iasp ibad ibas ibdo ibia ibid ibis ibos ibsa ibss idad idas idda iddo idia idid idio idis idos idps idsa idso idss iias iida iiii iiio iiis iioi iioo iiop iios iipa iisd iisi iisp ioba iobi iod- ioda iodd iodo ioii ioio iooi iooo ioos iops ioso ipad ipas ipba ipdi ipid ipod ipop ipos ippa ippo ipsa ipsi ipso ipsp ipss is-a isad isai isao isas isba isbd isda isdb isds isia isis iso- isop isos ispa isps issa issi isso issp isss oais oapi oaps oasi oass obad obai obas obba obbo obia obid obis oboi obos obsd obss odai odas odbo odda oddd oddi odds odia odio odis odoo odop odos odso oiba oido oids oiii oios oisd ooaa ooba oobi ooda oodi ooia ooid oooo ooos oops oosa oosi opap opds opia opii opio opis opo- opos oppa oppi oppo opps opsa opsi osai osap osas osba osbp osdi osia osii osip osis osoi osoo osos ossa ossb ossd ossi osso paap paas paba pada padd padi pado pads paia paib paid paio paip pais paos papa papb papi papp paps pasa pasd pasi paso pasp pass pbpa pbsa pbsp pdas pdbs pdos pdpa pdsa pdsd pdss piai piao pias pibb pibi pida pido pids piia piip piob pipa pipi pipo pipp pips pisa pisd pisi piso piss poad poas poba pobo pobs pod-