a-a a-b a-c aaa aab aac aad aae aaj aao aap ab- aba abb abc abd abe abj abo abp ac- aca acb acc acd ace acj aco acp ad- ada adb adc add ade adj ado adp aea aeb aec aed aee aej aeo aep aja ajb ajc ajd aje ajj ajo ajp aoa aob aoc aod aoe aoj aoo aop ap- apa apb apc apd ape apj apo app b-p baa bab bac bad bae baj bao bap bba bbb bbc bbd bbe bbo bbp bca bcb bcc bcd bce bcj bco bcp bda bdb bdc bdd bde bdj bdo bdp be- bea beb bec bed bee beo bep bja bjc bjd bjj bjp boa bob boc bod boe boj boo bop bpa bpb bpc bpd bpe bpo bpp c-- c-j caa cab cac cad cae caj cao cap cba cbb cbc cbd cbe cbj cbo cbp cca ccb ccc ccd cce ccj cco ccp cda cdb cdc cdd cde cdj cdo cdp ce- cea ceb cec ced cee cej ceo cep cja cjb cjc cjd cjp co- coa cob coc cod coe coj coo cop cpa cpb cpc cpd cpe cpj cpo cpp daa dab dac dad dae daj dao dap dba dbb dbc dbd dbe dbo dbp dca dcb dcc dcd dce dco dcp dda ddb ddc ddd dde ddo ddp de- dea deb dec ded dee dej deo dep dj- dja djb djc djd dje djo djp doa dob doc dod doe doj doo dop dpa dpb dpc dpd dpe dpo dpp eaa eab eac ead eae eaj eao eap eba ebb ebc ebd ebe ebj ebo ebp ec- eca ecb ecc ecd ece ecj eco ed- eda edb edc edd ede edj edo edp eea eeb eec eed eee eeo eep eja ejc ejd ejo ejp eo- eoa eob eoc eod eoe eoo eop ep- epa epb epc epd epe epo epp j-d jaa jab jac jad jae jaj jao jap jba jbc jbj jbo jca jcb jcc jcd jce jco jcp jda jdb jdc jde jdo jdp jea jeb jec jed jee jej jeo jep jja jjb jjc jjj jjp joa job joc jod joe joj joo jop jpa jpb jpc jpe jpj jpo jpp oaa oab oac oad oae oaj oao oap ob- oba obb obc obd obe obj obo obp oc- oca ocb occ ocd ocj oco ocp oda odb odc odd ode odo odp oea oeb oec oed oee oeo oep oja ojb ojc ojd oje ojo oo- ooa oob ooc ood ooo oop op- opa opb opc opd ope opj opo opp p-p paa pab pac pad pae paj pao pap pba pbb pbc pbd pbe pbj pbo pbp pca pcb pcc pcd pce pcj pco pcp pda pdb pdc pdd pde pdo pdp pea peb pec ped pee peo pep pja pjc pjd pjo pjp poa pob poc pod poe poo pop ppa ppb ppc ppd ppe ppj ppo ppp