-er a-a a-c a-t aaa aac aae aap aar aat aaw ac- aca acc ace acp acr act acw aea aec aee aep aer aet aew ap- apa apc ape app apr apt apw ar- ara arc are arp arr art arw at- ata atc ate atp atr att atw aw- awa awc awe awp awr awt aww c-- caa cac cae cap car cat caw cca ccc cce ccp ccr cct ccw ce- cea cec cee cep cer cet cew cpa cpc cpe cpp cpr cpt cpw cra crc cre crp crr crt crw cta ctc cte ctp ctr ctt ctw cw- cwa cwc cwe cwp cwr cwt eaa eac eae eap ear eat eaw ec- eca ecc ece ecr ect ecw eea eec eee eep eer eet eew ep- epa epc epe epp epr ept epw era erc ere erp err ert erw eta etc ete etp etr ett etw ewa ewc ewe ewp ewr ewt eww p-p paa pac pae pap par pat paw pca pcc pce pcp pcr pct pcw pea pec pee pep per pet pew ppa ppc ppe ppp ppr ppt ppw pra prc pre prp prr prt prw pt- pta ptc pte ptp ptr ptt ptw pwa pwc pwe pwp pwr pwt ra- raa rac rae rap rar rat raw rca rcc rce rcp rcr rct rcw re- rea rec ree rep rer ret rew rpa rpc rpe rpp rpr rpt rpw rra rrc rrp rrr rrt rta rtc rte rtp rtr rtt rtw rwa rwc rwe rwr taa tac tae tap tar tat taw tca tcc tce tcp tcr tct tcw te- tea tec tee tep ter tet tew tpa tpc tpe tpp tpr tpt tpw tra trc tre trp trr trt trw tta ttc tte ttp ttr ttt ttw twa twc twe twp twr twt tww waa wac wae wap war wat waw wca wcc wce wcp wcr wct wcw wea wec wee wep wer wet wew wpa wpc wpe wpp wpr wpt wr- wra wrc wre wrp wrr wrt wrw wta wtc wtp wtr wtt wtw wwa wwc wwe wwp wwt www