-al -ol -up a-a a-b a-c aaa aab aac aad aaf aal aao aap aar aau ab- aba abb abc abd abf abl abo abp abr abu ac- aca acb acc acd acf acl aco acp acr acu ad- ada adb adc add adf adl ado adp adr adu af- afa afb afc afd aff afl afo afp afr afu al- ala alb alc ald alf all alo alp alr alu aoa aob aoc aod aof aol aoo aop aor aou ap- apa apb apc apd apf apl apo app apr apu ar- ara arb arc ard arf arl aro arp arr aru au- aua aub auc aud auf aul auo aup aur b-p b-u baa bab bac bad baf bal bao bap bar bau bba bbb bbc bbd bbf bbl bbo bbp bbr bbu bca bcb bcc bcd bcf bcl bco bcp bcr bcu bda bdb bdc bdd bdf bdl bdo bdp bdr bdu bfa bfb bfc bfd bff bfl bfo bfp bfr bfu bla blb blc bld blf bll blo blp blr blu boa bob boc bod bof bol boo bop bor bou bpa bpb bpc bpd bpf bpl bpo bpp bpr bpu bra brb brd brf brl bro brp brr bru bua bub buc bud buf bul buo bup bur buu c-- caa cab cac cad caf cal cao cap car cau cba cbb cbc cbd cbf cbl cbo cbp cbr cbu cca ccb ccc ccd ccf ccl cco ccp ccr ccu cda cdb cdc cdd cdf cdl cdo cdp cdr cdu cfa cfb cfc cfd cff cfl cfo cfp cfr cfu cl- cla clb clc cld clf cll clo clp clr clu co- coa cob coc cod cof col coo cop cor cou cpa cpb cpc cpd cpf cpl cpo cpp cpr cpu cra crb crc crd crf crl cro crp crr cru cua cub cuc cud cuf cul cuo cup cur cuu daa dab dac dad daf dal dao dap dar dau dba dbb dbc dbd dbf dbl dbo dbp dbr dbu dca dcb dcc dcd dcf dcl dco dcp dcr dcu dda ddb ddc ddd ddf ddl ddo ddp ddr ddu dfa dfb dfc dfd dff dfl dfo dfp dfr dfu dl- dla dlb dlc dld dlf dll dlo dlp dlr dlu doa dob doc dod dof dol doo dop dor dou dpa dpb dpc dpd dpf dpl dpo dpp dpr dpu dra drb drc drd drl dro drp drr dru dua dub duc dud duf dul duo dup dur faa fab fac fad faf fal fao fap far fau fba fbb fbc fbd fbf fbl fbo fbp fbr fbu fca fcb fcc fcd fcf fcl fco fcp fcr fcu fda fdb fdc fdd fdf fdl fdo fdp fdr fdu ffa ffc ffd fff ffl ffo ffp ffr ffu fla flb flc fld flf fll flo flp flr flu foa fob foc fof fol foo fop for fou fpa fpb fpc fpd fpl fpo fpp fpr fpu fra frb frc frd frf frl fro frp frr fru fua fub fud fuf ful fuo fup fur fuu l-p la- laa lab lac lad laf lal lao lap lar lau lba lbb lbc lbd lbf lbl lbo lbp lbr lbu lca lcb lcc lcd lcf lcl lco lcp lcr lcu lda ldb ldc ldd ldf ldl ldo ldp ldr ldu lfa lfb lfc lfd lff lfl lfo lfp lfr lfu lla llb llc lld llf lll llo llp llr llu loa lob loc lod lof lol loo lop lor lou lpa lpb lpc lpd lpf lpl lpo lpp lpr lpu lra lrb lrc lrd lrf lro lrp lrr lru lua lub luc lud luf lul luo lup lur luu oaa oab oac oad oaf oal oao oap oar oau ob- oba obb obc obd obf obl obo obp obr obu oc- oca ocb occ ocd ocf ocl oco ocp ocr ocu oda odb odc odd odf odl odo odp odr odu of- ofa ofb ofc ofd off ofl ofo ofp ofr ofu ola olb olc old olf oll olo olp olu oo- ooa oob ooc ood oof ool ooo oop oor op- opa opb opc opd opf opl opo opp opr or- ora orb orc ord orf orl oro orp orr oru ou- oua ouc oud ouf oul ouo oup our p-p paa pab pac pad paf pal pao pap par pau pba pbb pbc pbd pbf pbl pbo pbp pbr pbu pca pcb pcc pcd pcf pcl pco pcp pcr pcu pda pdb pdc pdd pdf pdl pdo pdp pdr pdu pfa pfb pfc pfd pff pfl pfo pfp pfr pfu pla plb plc pld plf pll plo plp plr plu poa pob poc pod pof pol poo pop por pou ppa ppb ppc ppd ppf ppl ppo ppp ppr ppu pra prb prc prd prf prl pro prp prr pru pua pub puc pud puf pul pup pur puu ra- raa rab rac rad raf ral rao rap rar rau rba rbb rbc rbd rbf rbl rbo rbp rbr rbu rca rcb rcc rcd rcf rcl rco rcp rcr rcu rda rdb rdc rdd rdf rdl rdo rdp rdr rdu rfa rfb rfc rfd rff rfl rfo rfp rfr rfu rla rlc rld rlf rll rlo rlp rlr rlu roa rob roc rod rof rol roo rop ror rou rpa rpb rpc rpd rpf rpl rpo rpp rpr rpu rra rrb rrc rrd rrf rrl rrp rrr rru rua rub ruc rud ruf ruo rup rur ruu ua- uaa uab uac uad uaf ual uao uap uar uau uba ubb ubc ubf ubl ubo ubp ubr ubu uca ucb ucc ucd ucf ucl uco ucp ucr ucu uda udb udc udd udf udl udo udp udr udu ufa ufc ufd uff ufl ufo ufp ufr ufu ula ulb ulc uld ulf ull ulo ulp ulr ulu uoa uob uoc uod uol uoo uop uor up- upa upb upc upd upf upo upp upr upu ur- ura urb urc urd urf url uro urp urr