aaaa aaab aaad aaap aaar aaas aaba aabb aabd aabp aada aads aapa aaps aara aard aarp aars aasa aasd aass abaa abab abad abap abar abas abb- abba abbb abbr abbs abda abpa abpd abpp abpr abps abra abrs abs- absa absd absp abss adaa adab adad adap adar adas adba adda addd addr adds adp- adps adra adrs adsa adsr adss apap apar apas apba apbr apbs apda apdd apds appa appd appr apps apra aprs apsa apss arab arad arap arar aras arba arbs arda ards arpa arps arr- arra arrr arrs ars- arsa arsd asaa asab asad asap asar asas asba asda asds aspa aspd aspr asps asra asrs assa assd assp assr asss baaa baad baar baas baba babb babr babs bada badb badd badr bads bapa bapp baps bar- bara barb bard barr bars basa bass bbad bbas bbbb bbbs bbdd bbpr bd-r bdsd bpda bprd bpsa brab brad bras brda brds brrr brrs brsb brsr bsaa bsap bsas bsbd bspp bspr bsra bsrd bssd daab daad daap daar daas daba dabb dabp dabs dada dads dapa dapp daps dara darb dard darp darr dars dasa dasb dasd dass dbar dbas dbpd dbrs dbsa dbss dddd ddps ddss dpaa dppa dpsd draa drab drad drap drar dras drba drda drra drrs drsa drsp dsap dsba dsda dsdp dsdr dsps dsrp dsrr dssa dssp paap paar paas paba pada padd pads papa papb papp papr paps par- para pard parp parr pars pasa pasd pasp pass pbar pbpa pbrs pbsa pbsp pdas pdbs pdpa pdpr pdrs pdsa pdsd pdss ppad ppap ppar ppds pppa pppd pppp ppps ppss prad prar pras prbs prpd prps prrd prrs prsa prsd prss psap psas psbd psbr psdp psdr psds pspp pspr psps psrd psrp pssa raab raad raas raba rabb rabs rada radd radr rads rapa rapd rapp raps rara rarb rars rasa rasd rasp rass rbbb rbbr rbbs rbds rbsd rbsp rbss rdap rdas rdbp rpdp rpps rrad rras rrrr rrsp rsaa rsdd rsds rspb rsps rssa saab saad saap saar saas saba sabb sabr sabs sada sadb sadd sadr sads sapa sapp saps sara sard sarp sarr sars sasa sasd sass sbaa sbar sbas sbbs sbds sbsa sbsd sbsp sdap sdba sdds sdpr sdps sdrs sdss sp-a spad spap spar spas spdp spdr sppd spps sprd sprs spsa spsd spsp spss sras srps srsd srsp ssaa ssab ssap ssas ssbr ssdd ssdp sspa ssps ssra ssrs sssa sssb ssss