a-a a-t aaa aao aap aas aat aaw aoa aoo aop aos aot aow ap- apa apo app aps apt apw as- asa aso asp ass ast asw at- ata ato atp ats att atw aw- awa awo awp aws awt aww oaa oao oap oas oat oaw oo- ooa ooo oop oos oot oow op- opa opo opp ops opt opw os- osa oso osp oss ost osw ot- ota oto otp ots ott otw owa owo owp ows owt oww p-p paa pao pap pas pat paw poa poo pop pos pot pow ppa ppo ppp pps ppt ppw ps- psa pso psp pss pst psw pt- pta pto ptp pts ptt ptw pwa pwo pwp pws pwt saa sao sap sas sat saw soa soo sop sos sot sow spa spo spp sps spt spw ss- ssa sso ssp sss sst ssw sta sto stp sts stt stw swa swo swp sws swt taa tao tap tas tat taw to- toa too top tos tot tow tpa tpo tpp tps tpt tpw tsa tso tsp tss tst tsw tta tto ttp tts ttt ttw twa two twp tws twt tww waa wao wap was wat waw woa woo wop wos wot wow wpa wpo wpp wps wpt wsa wso wsp wss wst wsw wta wto wtp wts wtt wtw wwa wwo wwp wwt www