-al -er -ol a-a a-b aaa aab aae aaf aah aal aao aap aar aas ab- aba abb abe abf abh abl abo abp abr abs aea aeb aee aef aeh ael aeo aep aer aes af- afa afb afe aff afh afl afo afp afr afs aha ahb ahe ahf ahh ahl aho ahp ahr ahs al- ala alb ale alf alh all alo alp alr als aoa aob aoe aof aoh aol aoo aop aor aos ap- apa apb ape apf aph apl apo app apr aps ar- ara arb are arf arh arl aro arp arr ars as- asa asb ase asf ash asl aso asp asr ass b-p baa bab bae baf bah bal bao bap bar bas bba bbb bbe bbf bbh bbl bbo bbp bbr bbs be- bea beb bee bef beh bel beo bep ber bes bfa bfb bfe bff bfh bfl bfo bfp bfr bfs bha bhb bhe bhf bhh bhl bho bhp bhr bhs bla blb ble blf blh bll blo blp blr bls boa bob boe bof boh bol boo bop bor bos bpa bpb bpe bpf bph bpl bpo bpp bpr bps bra brb bre brf brh brl bro brp brr brs bsa bsb bse bsf bsh bsl bso bsp bsr bss eaa eab eae eaf eah eal eao eap ear eas eba ebb ebe ebf ebh ebl ebo ebp ebr ebs eea eeb eee eef eel eeo eep eer ees ef- efa efb efe eff efh efl efo efp efr efs eha ehb ehe ehf ehh ehl eho ehp ehr ehs ela elb ele elf elh ell elo elp elr els eo- eoa eob eoe eof eoh eol eoo eop eor eos ep- epa epb epe epf eph epl epo epp epr eps era erb ere erf erh erl ero erp err ers es- esa esb ese esf esh esl eso esp esr ess faa fab fae faf fah fal fao fap far fas fba fbb fbe fbf fbh fbl fbo fbp fbr fbs fea feb fee fef feh fel feo fep fer fes ffa ffe fff ffh ffl ffo ffp ffr ffs fha fhb fhe fhf fhh fhl fho fhp fhr fhs fla flb fle flf fll flo flp flr fls foa fob foe fof foh fol foo fop for fos fpa fpb fpe fph fpl fpo fpp fpr fps fra frb fre frf frh frl fro frp frr frs fsa fsb fse fsf fsh fsl fso fsp fsr fss haa hab hae haf hah hal hao hap har has hba hbb hbe hbf hbh hbl hbo hbp hbr hbs he- hea heb hee hef heh hel heo hep her hes hfa hfb hfe hff hfh hfl hfo hfp hfr hfs hha hhb hhe hhf hhh hhl hho hhp hhr hhs hla hlb hle hlf hlh hll hlo hlp hlr hls hoa hob hoe hof hoh hol hoo hop hor hos hpa hpb hpe hpf hph hpl hpo hpp hpr hps hr- hra hrb hre hrf hrh hrl hro hrp hrr hrs hsa hsb hse hsf hsh hsl hsp hsr hss l-p la- laa lab lae laf lah lal lao lap lar las lba lbb lbe lbf lbh lbl lbo lbp lbr lbs lea leb lee lef leh lel leo lep ler les lfa lfb lfe lff lfh lfl lfo lfp lfr lfs lha lhb lhf lhh lho lhp lhr lhs lla llb lle llf lll llo llp llr lls loa lob loe lof loh lol loo lop lor los lpa lpb lpe lpf lph lpl lpo lpp lpr lps lra lrb lrf lrh lro lrp lrr lrs lsa lsb lse lsf lsh lsl lso lsp lsr lss oaa oab oae oaf oah oal oao oap oar oas ob- oba obb obe obf obh obl obo obp obr obs oea oeb oee oef oeh oel oeo oep oer oes of- ofa ofb ofe off ofl ofo ofp ofr ofs oha ohe ohf ohh ohl oho ohp ohr ohs ola olb ole olf oll olo olp ols oo- ooa oob oof ooh ool ooo oop oor oos op- opa opb ope opf oph opl opo opp opr ops or- ora orb ore orf orh orl oro orp orr ors os- osa osb ose osf osh osl oso osp osr oss p-p paa pab pae paf pah pal pao pap par pas pba pbb pbe pbf pbl pbo pbp pbr pbs pea peb pee pef peh pel peo pep per pes pfa pfb pfe pff pfl pfo pfp pfr pfs pha phb phe phf phl pho php phr phs pla plb ple plf plh pll plo plp plr pls poa pob poe pof poh pol poo pop por pos ppa ppb ppe ppf pph ppl ppo ppp ppr pps pra prb pre prf prh prl pro prp prr prs ps- psa psb pse psf psh psl pso psp psr pss ra- raa rab rae raf rah ral rao rap rar ras rba rbb rbe rbf rbh rbl rbo rbp rbr rbs re- rea reb ree ref reh rel reo rep rer res rfa rfb rfe rff rfh rfl rfo rfp rfr rfs rh- rha rhb rhe rhf rhh rhl rho rhp rhr rhs rla rle rlf rlh rll rlo rlp rlr rls roa rob roe rof roh rol roo rop ror ros rpa rpb rpe rpf rph rpl rpo rpp rpr rps rra rrb rrf rrh rrl rrp rrr rrs rsa rsb rse rsf rsh rsl rso rsp rsr rss saa sab sae saf sah sal sao sap sar sas sba sbb sbe sbf sbh sbl sbo sbp sbr sbs se- sea seb see sef seh sel seo sep ser ses sfa sfb sfe sff sfh sfl sfo sfp sfr sfs sh- sha shb she shf shh shl sho shp shr shs sla slb sle slf slh sll slo slp slr sls soa sob soe sof soh sol soo sop sor sos spa spb spe spf sph spl spo spp spr sps sr- sra srb sre srf srh srl