-al -ol a-a a-b a-c aaa aab aac aah aal aan aao aap aar aas ab- aba abb abc abh abl abn abo abp abr abs ac- aca acb acc ach acl acn aco acp acr acs aha ahb ahc ahh ahl ahn aho ahp ahr ahs al- ala alb alc alh all aln alo alp alr als an- ana anb anc anh anl ann ano anp anr ans aoa aob aoc aoh aol aon aoo aop aor aos ap- apa apb apc aph apl apn apo app apr aps ar- ara arb arc arh arl arn aro arp arr ars as- asa asb asc ash asl asn aso asp asr ass b-p baa bab bac bah bal ban bao bap bar bas bba bbb bbc bbh bbl bbn bbo bbp bbr bbs bca bcb bcc bch bcl bcn bco bcp bcr bcs bha bhb bhc bhh bhl bho bhp bhr bhs bla blb blc blh bll bln blo blp blr bls bna bnb bnc bnl bnn bno bnp bnr bns boa bob boc boh bol bon boo bop bor bos bpa bpb bpc bph bpl bpn bpo bpp bpr bps bra brb brh brl brn bro brp brr brs bsa bsb bsc bsh bsl bsn bso bsp bsr bss c-- caa cab cac cah cal can cao cap car cas cba cbb cbc cbh cbl cbn cbo cbp cbr cbs cca ccb ccc cch ccl ccn cco ccp ccr ccs ch- cha chb chc chh chl chn cho chp chr chs cl- cla clb clc clh cll cln clo clp clr cls cn- cna cnb cnc cnh cnl cnn cno cnp cnr cns co- coa cob coc coh col con coo cop cor cos cpa cpb cpc cph cpl cpn cpo cpp cpr cps cra crb crc crh crl crn cro crp crr crs csa csb csc csh csl csn cso csp csr css haa hab hac hah hal han hao hap har has hba hbb hbc hbh hbl hbn hbo hbp hbr hbs hca hcb hcc hch hcl hcn hco hcp hcr hcs hha hhb hhc hhh hhl hhn hho hhp hhr hhs hla hlb hlc hlh hll hln hlo hlp hlr hls hna hnb hnc hnh hnl hnn hno hns hoa hob hoc hoh hol hon hoo hop hor hos hpa hpb hpc hph hpl hpn hpo hpp hpr hps hr- hra hrb hrc hrh hrl hrn hro hrp hrr hrs hsa hsb hsc hsh hsl hsn hsp hsr hss l-p la- laa lab lac lah lal lan lao lap lar las lba lbb lbc lbh lbl lbo lbp lbr lbs lca lcb lcc lch lcl lcn lco lcp lcr lcs lha lhb lhc lhh lho lhp lhr lhs lla llb llc lll lln llo llp llr lls lna lnb lnc lnh lnl lnn lno lnp lnr lns loa lob loc loh lol lon loo lop lor los lpa lpb lpc lph lpl lpn lpo lpp lpr lps lra lrb lrc lrh lrn lro lrp lrr lrs lsa lsb lsc lsh lsl lsn lso lsp lsr lss naa nab nac nah nal nan nao nap nar nas nba nbb nbc nbl nbn nbo nbp nbr nbs nca ncb ncc nch ncl ncn nco ncp ncr ncs nha nhb nhc nhh nhl nhn nhp nhr nhs nla nlb nlc nlh nll nln nlo nlp nlr nls nna nnb nnc nnh nnl nnn nno nnp nns no- noa nob noc noh nol non noo nop nor nos npa npb npc nph npl npn npo npp npr nps nra nrb nrc nrl nrn nro nrp nrr nrs nsa nsb nsc nsh nsl nsn nso nsp nsr nss oaa oab oac oah oal oan oao oap oar oas ob- oba obb obc obh obl obn obo obp obr obs oc- oca ocb occ och ocl ocn oco ocp ocr ocs oha ohc ohh ohl ohn oho ohp ohr ohs ola olb olc oll oln olo olp ols on- ona onb onc onh onl onn ono onp onr ons oo- ooa oob ooc ooh ool oon ooo oop oor oos op- opa opb opc oph opl opn opo opp opr ops or- ora orb orc orh orl orn oro orp orr ors os- osa osb osc osh osl osn oso osp osr oss p-p paa pab pac pah pal pan pao pap par pas pba pbb pbc pbl pbn pbo pbp pbr pbs pca pcb pcc pch pcl pcn pco pcp pcr pcs pha phb phc phl phn pho php phr phs pla plb plc plh pll pln plo plp plr pls pn- pna pnb pnc pnh pnl pnn pno pnp pnr pns poa pob poc poh pol pon poo pop por pos ppa ppb ppc pph ppl ppn ppo ppp ppr pps pra prb prc prh prl prn pro prp prr prs ps- psa psb psc psh psl psn pso psp psr pss ra- raa rab rac rah ral ran rao rap rar ras rba rbb rbc rbh rbl rbn rbo rbp rbr rbs rca rcb rcc rch rcl rcn rco rcp rcr rcs rh- rha rhb rhc rhh rhl rhn rho rhp rhr rhs rla rlc rlh rll rln rlo rlp rlr rls rna rnb rnc rnh rnn rno rnp rnr rns roa rob roc roh rol ron roo rop ror ros rpa rpb rpc rph rpl rpn rpo rpp rpr rps rra rrb rrc rrh rrl rrn rrp rrr rrs rsa rsb rsc rsh rsl rsn rso rsp rsr rss saa sab sac sah sal san sao sap sar sas sba sbb sbc sbh sbl sbn sbo sbp sbr sbs sca scb scc sch scl scn sco scp scr scs sh- sha shb shc shh shl shn sho shp shr shs sla slb slc slh sll sln slo slp slr sls sna snb snc snl snn sno snp snr sns soa sob soc soh sol son soo sop sor sos spa spb spc sph spl spn spo spp spr sps sr- sra srb src srh srl srn sro srp