-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aal aao aas aau ab- aba abb abc abi abl abo abs abu ac- aca acb acc aci acl aco acs acu ai- aia aib aic aii ail aio ais aiu al- ala alb alc ali all alo als alu aoa aob aoc aoi aol aoo aos aou as- asa asb asc asi asl aso ass asu au- aua aub auc aui aul auo aus b-u baa bab bac bai bal bao bas bau bba bbb bbc bbi bbl bbo bbs bbu bca bcb bcc bci bcl bco bcs bcu bi- bia bib bic bii bil bio bis biu bla blb blc bli bll blo bls blu boa bob boc boi bol boo bos bou bsa bsb bsc bsi bsl bso bss bsu bua bub buc bui bul buo bus buu c-- caa cab cac cai cal cao cas cau cba cbb cbc cbi cbl cbo cbs cbu cca ccb ccc cci ccl cco ccs ccu ci- cia cib cic cii cil cio cis ciu cl- cla clb clc cli cll clo cls clu co- coa cob coc coi col coo cos cou csa csb csc csi csl cso css csu cua cub cuc cui cul cuo cus cuu ia- iaa iab iac iai ial iao ias iau iba ibb ibc ibi ibl ibo ibs ibu ica icb icc ici icl ico ics icu iia iib iic iii iil iio iis iiu il- ila ilb ilc ili ill ilo ils ilu io- ioa iob ioc ioi iol ioo ios iou is- isa isb isc isi isl iso iss isu iu- iua iub iuc iui ius la- laa lab lac lai lal lao las lau lba lbb lbc lbi lbl lbo lbs lbu lca lcb lcc lci lcl lco lcs lcu lia lib lic lii lil lio lis liu lla llb llc lli lll llo lls llu loa lob loc loi lol loo los lou lsa lsb lsc lsi lsl lso lss lsu lua lub luc lui lul luo lus luu o-i oaa oab oac oai oal oao oas oau ob- oba obb obc obi obl obo obs obu oc- oca ocb occ oci ocl oco ocs ocu oia oib oic oii oil oio ois oiu ola olb olc oli oll olo ols olu oo- ooa oob ooc ooi ool ooo oos os- osa osb osc osi osl oso oss osu ou- oua ouc oui oul ouo ous saa sab sac sai sal sao sas sau sba sbb sbc sbi sbl sbo sbs sbu sca scb scc sci scl sco scs scu sia sib sic sii sil sio sis siu sla slb slc sli sll slo sls slu soa sob soc soi sol soo sos sou ss- ssa ssb ssc ssi ssl sso sss ssu sua sub suc sui sul suo sus suu ua- uaa uab uac uai ual uao uas uau uba ubb ubc ubi ubl ubo ubs ubu uca ucb ucc uci ucl uco ucs ucu uia uib uic uii uil uio uis uiu ula ulb ulc uli ull ulo uls ulu uoa uob uoc uol uoo uos usa usb usc usi usl uso uss usu uua uuc uus uuu