a-a a-i a-t aaa aad aai aao aap aas aat ad- ada add adi ado adp ads adt ai- aia aid aii aio aip ais ait aoa aod aoi aoo aop aos aot ap- apa apd api apo app aps apt as- asa asd asi aso asp ass ast at- ata atd ati ato atp ats att daa dad dai dao dap das dat dda ddd ddi ddo ddp dds ddt di- dia did dii dio dip dis dit doa dod doi doo dop dos dot dpa dpd dpi dpo dpp dps dpt dsa dsd dsi dso dsp dss dst dta dtd dti dto dtp dts dtt i-d ia- iaa iad iai iao iap ias iat ida idd idi ido idp ids idt iia iid iii iio iip iis iit io- ioa iod ioi ioo iop ios iot ipa ipd ipi ipo ipp ips ipt is- isa isd isi iso isp iss ist ita itd iti ito itp its itt o-i oaa oad oai oao oap oas oat oda odd odi odo odp ods odt oia oid oii oio oip ois oit oo- ooa ood ooi ooo oop oos oot op- opa opd opi opo opp ops opt os- osa osd osi oso osp oss ost ot- ota otd oti oto otp ots ott p-p paa pad pai pao pap pas pat pda pdd pdi pdo pdp pds pdt pia pid pii pio pip pis pit poa pod poi poo pop pos pot ppa ppd ppi ppo ppp pps ppt ps- psa psd psi pso psp pss pst pt- pta ptd pti pto ptp pts ptt saa sad sai sao sap sas sat sda sdd sdi sdo sdp sds sdt sia sid sii sio sip sis sit soa sod soi soo sop sos sot spa spd spi spo spp sps spt ss- ssa ssd ssi sso ssp sss sst sta std sti sto stp sts stt taa tad tai tao tap tas tat tda tdd tdi tdo tdp tds tdt tia tid tii tio tip tis tit to- toa tod toi too top tos tot tpa tpd tpi tpo tpp tps tpt tsa tsd tsi tso tsp tss tst tta ttd tti tto ttp tts ttt