-er -up a-a a-c aaa aac aad aae aak aap aar aau ac- aca acc acd ace ack acp acr acu ad- ada adc add ade adk adp adr adu aea aec aed aee aek aep aer aeu aka akc akd ake akk akp akr aku ap- apa apc apd ape apk app apr apu ar- ara arc ard are ark arp arr aru au- aua auc aud aue auk aup aur c-- caa cac cad cae cak cap car cau cca ccc ccd cce cck ccp ccr ccu cda cdc cdd cde cdk cdp cdr cdu ce- cea cec ced cee cek cep cer ceu cka ckc ckd cpa cpc cpd cpe cpk cpp cpr cpu cra crc crd cre crk crp crr cru cua cuc cud cue cuk cup cur cuu daa dac dad dae dak dap dar dau dca dcc dcd dce dck dcp dcr dcu dda ddc ddd dde ddk ddp ddr ddu de- dea dec ded dee dek dep der deu dka dkc dke dkk dkp dkr dku dpa dpc dpd dpe dpk dpp dpr dpu dra drc drd dre drk drp drr dru dua duc dud due duk dup dur eaa eac ead eae eak eap ear eau ec- eca ecc ecd ece eck ecr ecu ed- eda edc edd ede edk edp edr edu eea eec eed eee eek eep eer eka ekc ekd eke ekp ekr eku ep- epa epc epd epe epp epr epu era erc erd ere erk erp err eru eu- eua euc eud eue eup eur ka- kaa kac kad kae kak kap kar kau kca kcc kcd kce kck kcp kcr kcu kda kdc kde kdk kdp kdr kdu ke- kea kec ked kee kek kep ker kkc kke kkk kkp kkr kku kpa kpc kpd kpe kpk kpp kpr kpu kra krc krd krk krp krr kru kuc kud kue kuk kup kur kuu p-p paa pac pad pae pak pap par pau pca pcc pcd pce pck pcp pcr pcu pda pdc pdd pde pdk pdp pdr pdu pea pec ped pee pek pep per peu pka pkc pkd pke pkp pkr pku ppa ppc ppd ppe ppk ppp ppr ppu pra prc prd pre prk prp prr pru pua puc pud pue puk pup pur puu ra- raa rac rad rae rak rap rar rau rca rcc rcd rce rcp rcr rcu rda rdc rdd rde rdp rdr rdu re- rea rec red ree rek rep rer reu rkc rke rkk rkp rku rpa rpc rpd rpe rpk rpp rpr rpu rra rrc rrd rrk rrp rrr rru rua ruc rud rue ruk rup rur ruu ua- uaa uac uad uae uak uap uar uau uca ucc ucd uce uck ucp ucr ucu uda udc udd ude udk udp udr udu uea uec ued uee uep uer uka ukc uke ukk ukp ukr uku up- upa upc upd upe upk upp upr upu ur- ura urc urd ure urk urp urr uru uua uuc uue uur uuu