-er -up a-a a-c aaa aac aae aak aao aap aar aas aau ac- aca acc ace ack aco acp acr acs acu aea aec aee aek aeo aep aer aes aeu aka akc ake akk ako akp akr aks aku aoa aoc aoe aok aoo aop aor aos aou ap- apa apc ape apk apo app apr aps apu ar- ara arc are ark aro arp arr ars aru as- asa asc ase ask aso asp asr ass asu au- aua auc aue auk auo aup aur aus c-- caa cac cae cak cao cap car cas cau cca ccc cce cck cco ccp ccr ccs ccu ce- cea cec cee cek ceo cep cer ces ceu cka ckc cko cks co- coa coc coe cok coo cop cor cos cou cpa cpc cpe cpk cpo cpp cpr cps cpu cra crc cre crk cro crp crr crs cru csa csc cse csk cso csp csr css csu cua cuc cue cuk cuo cup cur cus cuu eaa eac eae eak eao eap ear eas eau ec- eca ecc ece eck eco ecr ecs ecu eea eec eee eek eeo eep eer ees eka ekc eke eko ekp ekr eks eku eo- eoa eoc eoe eok eoo eop eor eos eou ep- epa epc epe epo epp epr eps epu era erc ere erk ero erp err ers eru es- esa esc ese esk eso esp esr ess esu eu- eua euc eue eup eur eus ka- kaa kac kae kak kao kap kar kas kau kca kcc kce kck kcp kcr kcs kcu ke- kea kec kee kek keo kep ker kes kkc kke kkk kkp kkr kks kku koa koc koe kok koo kop kor kos kou kpa kpc kpe kpk kpo kpp kpr kps kpu kra krc krk kro krp krr krs kru ksa ksc kse ksk kso ksp ksr kss ksu kuc kue kuk kup kur kus kuu oaa oac oae oak oao oap oar oas oau oc- oca occ ock oco ocp ocr ocs ocu oea oec oee oeo oep oer oes oka okc oke okk oko okp okr oks oku oo- ooa ooc ook ooo oop oor oos op- opa opc ope opk opo opp opr ops or- ora orc ore ork oro orp orr ors oru os- osa osc ose osk oso osp osr oss osu ou- oua ouc oue ouk ouo oup our ous p-p paa pac pae pak pao pap par pas pau pca pcc pce pck pco pcp pcr pcs pcu pea pec pee pek peo pep per pes peu pka pkc pke pko pkp pkr pks pku poa poc poe pok poo pop por pos pou ppa ppc ppe ppk ppo ppp ppr pps ppu pra prc pre prk pro prp prr prs pru ps- psa psc pse psk pso psp psr pss psu pua puc pue puk pup pur pus puu ra- raa rac rae rak rao rap rar ras rau rca rcc rce rco rcp rcr rcs rcu re- rea rec ree rek reo rep rer res reu rkc rke rkk rko rkp rks rku roa roc roe rok roo rop ror ros rou rpa rpc rpe rpk rpo rpp rpr rps rpu rra rrc rrk rrp rrr rrs rru rsa rsc rse rsk rso rsp rsr rss rsu rua ruc rue ruk ruo rup rur rus ruu saa sac sae sak sao sap sar sas sau sca scc sce sck sco scp scr scs scu se- sea sec see sek seo sep ser ses seu sk- ska skc ske skk sko skp skr sks sku soa soc soe sok soo sop sor sos sou spa spc spe spk spo spp spr sps spu sr- sra src sre srk sro srp srr srs ss- ssa ssc sse ssk sso ssp ssr sss ssu sua suc sue suk suo sup sur sus suu ua- uaa uac uae uak uao uap uar uas uau uca ucc uce uck uco ucp ucr ucs ucu uea uec uee uep uer ues uka ukc uke ukk ukp ukr uku uoa uoc uoe uok uoo uop uor uos up- upa upc upe upk upo upp upr ups upu ur- ura urc ure urk uro urp urr urs uru usa usc use usk uso usp usr uss usu uua uuc uue uur uus uuu