-al -ol a-a a-b aaa aab aad aah aal aao aap aar aas ab- aba abb abd abh abl abo abp abr abs ad- ada adb add adh adl ado adp adr ads aha ahb ahd ahh ahl aho ahp ahr ahs al- ala alb ald alh all alo alp alr als aoa aob aod aoh aol aoo aop aor aos ap- apa apb apd aph apl apo app apr aps ar- ara arb ard arh arl aro arp arr ars as- asa asb asd ash asl aso asp asr ass b-p baa bab bad bah bal bao bap bar bas bba bbb bbd bbh bbl bbo bbp bbr bbs bda bdb bdd bdh bdl bdo bdp bdr bds bha bhb bhd bhh bhl bho bhp bhr bhs bla blb bld blh bll blo blp blr bls boa bob bod boh bol boo bop bor bos bpa bpb bpd bph bpl bpo bpp bpr bps bra brb brd brh brl bro brp brr brs bsa bsb bsd bsh bsl bso bsp bsr bss daa dab dad dah dal dao dap dar das dba dbb dbd dbh dbl dbo dbp dbr dbs dda ddb ddd ddh ddl ddo ddp ddr dds dh- dha dhb dhd dhh dhl dho dhp dhr dhs dl- dla dlb dld dlh dll dlo dlp dlr dls doa dob dod doh dol doo dop dor dos dpa dpb dpd dph dpl dpo dpp dpr dps dra drb drd drl dro drp drr drs dsa dsb dsd dsh dsl dso dsp dsr dss haa hab had hah hal hao hap har has hba hbb hbd hbh hbl hbo hbp hbr hbs hda hdb hdd hdh hdl hdo hdp hdr hds hha hhb hhd hhh hhl hho hhp hhr hhs hla hlb hld hlh hll hlo hlp hlr hls hoa hob hod hoh hol hoo hop hor hos hpa hpb hpd hph hpl hpo hpp hpr hps hr- hra hrb hrd hrh hrl hro hrp hrr hrs hsa hsb hsd hsh hsl hsp hsr hss l-p la- laa lab lad lah lal lao lap lar las lba lbb lbd lbh lbl lbo lbp lbr lbs lda ldb ldd ldh ldl ldo ldp ldr lds lha lhb lhd lhh lho lhp lhr lhs lla llb lld lll llo llp llr lls loa lob lod loh lol loo lop lor los lpa lpb lpd lph lpl lpo lpp lpr lps lra lrb lrd lrh lro lrp lrr lrs lsa lsb lsd lsh lsl lso lsp lsr lss oaa oab oad oah oal oao oap oar oas ob- oba obb obd obh obl obo obp obr obs oda odb odd odh odl odo odp odr ods oha ohd ohh ohl oho ohp ohr ohs ola olb old oll olo olp ols oo- ooa oob ood ooh ool ooo oop oor oos op- opa opb opd oph opl opo opp opr ops or- ora orb ord orh orl oro orp orr ors os- osa osb osd osh osl oso osp osr oss p-p paa pab pad pah pal pao pap par pas pba pbb pbd pbl pbo pbp pbr pbs pda pdb pdd pdh pdl pdo pdp pdr pds pha phb phd phl pho php phr phs pla plb pld plh pll plo plp plr pls poa pob pod poh pol poo pop por pos ppa ppb ppd pph ppl ppo ppp ppr pps pra prb prd prh prl pro prp prr prs ps- psa psb psd psh psl pso psp psr pss ra- raa rab rad rah ral rao rap rar ras rba rbb rbd rbh rbl rbo rbp rbr rbs rda rdb rdd rdh rdl rdo rdp rdr rds rh- rha rhb rhd rhh rhl rho rhp rhr rhs rla rld rlh rll rlo rlp rlr rls roa rob rod roh rol roo rop ror ros rpa rpb rpd rph rpl rpo rpp rpr rps rra rrb rrd rrh rrl rrp rrr rrs rsa rsb rsd rsh rsl rso rsp rsr rss saa sab sad sah sal sao sap sar sas sba sbb sbd sbh sbl sbo sbp sbr sbs sda sdb sdd sdh sdl sdo sdp sdr sds sh- sha shb shd shh shl sho shp shr shs sla slb sld slh sll slo slp slr sls soa sob sod soh sol soo sop sor sos spa spb spd sph spl spo spp spr sps sr- sra srb srd srh srl sro srp srr srs ss- ssa ssb ssd ssh ssl sso ssp ssr sss