-al -ic -ol a-a a-b a-c a-i aaa aab aac aah aai aal aao aar aas ab- aba abb abc abh abi abl abo abr abs ac- aca acb acc ach aci acl aco acr acs aha ahb ahc ahh ahi ahl aho ahr ahs ai- aia aib aic aih aii ail aio air ais al- ala alb alc alh ali all alo alr als aoa aob aoc aoh aoi aol aoo aor aos ar- ara arb arc arh ari arl aro arr ars as- asa asb asc ash asi asl aso asr ass baa bab bac bah bai bal bao bar bas bba bbb bbc bbh bbi bbl bbo bbr bbs bca bcb bcc bch bci bcl bco bcr bcs bha bhb bhc bhh bhi bhl bho bhr bhs bi- bia bib bic bih bii bil bio bir bis bla blb blc blh bli bll blo blr bls boa bob boc boh boi bol boo bor bos bra brb brh bri brl bro brr brs bsa bsb bsc bsh bsi bsl bso bsr bss c-- caa cab cac cah cai cal cao car cas cba cbb cbc cbh cbi cbl cbo cbr cbs cca ccb ccc cch cci ccl cco ccr ccs ch- cha chb chc chh chi chl cho chr chs ci- cia cib cic cih cii cil cio cir cis cl- cla clb clc clh cli cll clo clr cls co- coa cob coc coh coi col coo cor cos cra crb crc crh cri crl cro crr crs csa csb csc csh csi csl cso csr css h-i haa hab hac hah hai hal hao har has hba hbb hbc hbh hbi hbl hbo hbr hbs hca hcb hcc hch hci hcl hco hcr hcs hha hhb hhc hhh hhi hhl hho hhr hhs hia hib hic hih hii hil hio hir his hla hlb hlc hlh hli hll hlo hlr hls hoa hob hoc hoh hoi hol hoo hor hos hr- hra hrb hrc hrh hri hrl hro hrr hrs hsa hsb hsc hsh hsi hsl hsr hss ia- iaa iab iac iah iai ial iao iar ias iba ibb ibc ibh ibi ibl ibo ibr ibs ica icb icc ich ici icl ico icr ics iha ihb ihc ihh ihi ihl iho ihr ihs iia iib iic iih iii iil iio iir iis il- ila ilb ilc ilh ili ill ilo ilr ils io- ioa iob ioc ioh ioi iol ioo ior ios ir- ira irb irc iri irl iro irr irs is- isa isb isc ish isi isl iso isr iss la- laa lab lac lah lai lal lao lar las lba lbb lbc lbh lbi lbl lbo lbr lbs lca lcb lcc lch lci lcl lco lcr lcs lha lhb lhc lhh lhi lho lhr lhs lia lib lic lih lii lil lio lir lis lla llb llc lli lll llo llr lls loa lob loc loh loi lol loo lor los lra lrb lrc lrh lri lro lrr lrs lsa lsb lsc lsh lsi lsl lso lsr lss o-i oaa oab oac oah oai oal oao oar oas ob- oba obb obc obh obi obl obo obr obs oc- oca ocb occ och oci ocl oco ocr ocs oha ohc ohh ohi ohl oho ohr ohs oia oib oic oii oil oio oir ois ola olb olc oli oll olo ols oo- ooa oob ooc ooh ooi ool ooo oor oos or- ora orb orc orh ori orl oro orr ors os- osa osb osc osh osi osl oso osr oss ra- raa rab rac rah rai ral rao rar ras rba rbb rbc rbh rbi rbl rbo rbr rbs rca rcb rcc rch rci rcl rco rcr rcs rh- rha rhb rhc rhh rhi rhl rho rhr rhs ria rib ric rih rii ril rio rir ris rla rlc rlh rli rll rlo rlr rls roa rob roc roh roi rol roo ror ros rra rrb rrc rrh rri rrl rrr rrs rsa rsb rsc rsh rsi rsl rso rsr rss saa sab sac sah sai sal sao sar sas sba sbb sbc sbh sbi sbl sbo sbr sbs sca scb scc sch sci scl sco scr scs sh- sha shb shc shh shi shl sho shr shs sia sib sic sih sii sil sio sir sis sla slb slc slh sli sll slo slr sls soa sob soc soh soi sol soo sor sos sr- sra srb src srh sri srl sro srr srs ss- ssa ssb ssc ssh ssi ssl sso ssr sss