a-a a-i a-t aaa aaf aai aao aar aas aat aax af- afa aff afi afo afr afs aft afx ai- aia aif aii aio air ais ait aix aoa aof aoi aoo aor aos aot aox ar- ara arf ari aro arr ars art arx as- asa asf asi aso asr ass ast asx at- ata atf ati ato atr ats att atx ax- axa axi axo axr axs axt axx faa faf fai fao far fas fat fax ffa fff ffi ffo ffr ffs fft ffx fia fif fii fir fis fit fix foa fof foi foo for fos fot fox fra frf fri fro frr frs frt fsa fsf fsi fso fsr fss fst fsx fta ftf fti fto ftr fts ftt ftx fxi fxr fxs fxt fxx i-f ia- iaa iaf iai iao iar ias iat ifa iff ifi ifo ifr ifs ift ifx iia iif iii iio iir iis iit iix io- ioa iof ioi ioo ior ios iot ir- ira irf iri iro irr irs irt irx is- isa isf isi iso isr iss ist ita itf iti ito its itt itx ixi o-i oaa oaf oai oao oar oas oat oax of- ofa off ofi ofo ofr ofs oft ofx oia oif oii oio oir ois oit oo- ooa oof ooi ooo oor oos oot oox or- ora orf ori oro orr ors ort orx os- osa osf osi oso osr oss ost osx ot- ota otf oti oto otr ots ott ox- oxa oxf oxi oxo oxt oxx ra- raa raf rai rao rar ras rat rax rfa rff rfi rfo rfr rfs rft ria rif rii rio rir ris rit rix roa rof roi roo ror ros rot rox rra rrf rri rrr rrs rrt rsa rsf rsi rso rsr rss rst rsx rta rtf rti rto rtr rts rtt rtx rxr rxs saa saf sai sao sar sas sat sax sfa sff sfi sfo sfr sfs sft sfx sia sif sii sio sir sis sit six soa sof soi soo sor sos sot sox sr- sra srf sri sro srr srs srt srx ss- ssa ssf ssi sso ssr sss sst ssx sta stf sti sto str sts stt stx sxi sxs sxt t-x taa taf tai tao tar tas tat tax tfa tff tfi tfo tfr tfs tft tfx tia tif tii tio tir tis tit tix to- toa tof toi too tor tos tot tox tra trf tri tro trr trs trt trx tsa tsf tsi tso tsr tss tst tsx tta ttf tti tto ttr tts ttt ttx txf txi txs txt xaa xaf xar xas xat xfa xfs xft xfx xia xii xio xis xit xix xoa xof xoi xoo xor xos xot xox xrf xrt xrx xsa xsi xss xst xtf xti xtr xts xtx xxi xxo xxx

a-ii aaaa aaaf aaai aaar aaas aafa aaff aafi aaii aais aaoo aara aari aaro aars aart aasa aasf aasi aass aast aata aatf aatt afaa afao afar afat affa affi affo affs afft afia afif afir afis afit afix afoa afoo afor afox afr- afra afri afro afrs afsa afst afta afts aiai aias aiff aifs aiia aiir aioi aira airi airo airs airt airx aisa aisi aiso aisr aist aita aitf aiti aitr aits aitt aixa aixi aora aors aort aoss aotf araf arai arar aras arat arax arfa arff arfs arft aria arif arii ario aris arit aroa aroi aroo aror aros arr- arra arri arro arrr arrs arrt ars- arsa arsi arso arst arta arti arto artr arts artx asaa asaf asai asao asar asas asat asfa asfi asia asif asii asio asir asis asit asix asof asoi asor asos asot asra asro asrs assa assi asso assr asss asst asta asti asto astr asts at-t at-x ataa atai atar atas atat atax atfs atia atif atis atit atof atoi ator atos atot atra atri atro atrx atsi atst atta atti atto attr atts axaf axar axat axfr axfs axi- axia axis axo- axoa axof axos axto axxo faaa faas fafa faff fafi fafo faio fair fais fait faix fara faro farr fars fart fasa fasi faso fass fast fata fatf fati fato fats fatt faxi ffar ffff ffii ffrr ffsa ffss fftf fiaa fiaf fiar fias fiat fifa fiff fifi fifo fift fiii fior fios fira firs fisa fisi fiss fist fita fiti fits fitt fixt fixx foaf foar fofo foia fois foix foof foos foot for- fora fori foro forr fors fort fosa fosi foso foss fost fota foti foto fots fott foxx fras frat frax fria frio fris frit fros frot frso frst frta fsai fsas fsfi fsfo fsia fsix fsra fssa fssf fsta ftii ftos ftrs ftsa ftsr iaaa iaai iaas iaat iaff iaia iais iara iars iart iasa iasi iaso iasr iata iati ifaa ifao ifar ifas ifat ifis ifit ifor ifra ifrf ifri ifsa ifso ifta ifto iias iifa iiii iiio iiis iiit iioi iioo iios iira iirs iisi iisr iist iita iitr iitt ioii ioio ioit ioof iooi iooo ioos iora iori iors ioso iota iotf ioto iraf irai irao irar iras iri- iria irio iris irix irra irri irrs irsa irsf irta irtf irti irts is-a isaf isai isao isar isas isat isfa isia isis isit iso- isof isor isos isra isri issa issf issi isso issr isss ista isti isto istr ists itaa itaf itai itar itas itat itfa itia itif itis itof itoi itoo itor itos itra itrf itri itrs itsa itsf itsi itso itta ittf itto ixia ixos ixxi oafo oafs oais oara oars oasi oass oast oats ofas off- offa offo offr offs ofit ofor ofra ofst ofta oiii oios oira oirt oist oita oiti ooaa ooff oofs ooia oooo ooos oora oort oosa oosi oost oots orai orao orar oras orat orff orfi orfs ori- oria orif orio oris orit orix oro- orof oror oros orot orra orri orro orrs orsa orsi orso orta orto orts osaf osai osar osas