-ic a-a a-b a-c a-i aaa aab aac aag aah aai aao aas aau ab- aba abb abc abg abh abi abo abs abu ac- aca acb acc acg ach aci aco acs acu ag- aga agb agc agg agh agi ago ags agu aha ahb ahc ahg ahh ahi aho ahs ahu ai- aia aib aic aig aih aii aio ais aiu aoa aob aoc aog aoh aoi aoo aos aou as- asa asb asc asg ash asi aso ass asu au- aua aub auc aug auh aui auo aus b-u baa bab bac bag bah bai bao bas bau bba bbb bbc bbg bbh bbi bbo bbs bbu bca bcb bcc bcg bch bci bco bcs bcu bga bgb bgc bgg bgh bgi bgo bgs bgu bha bhb bhc bhg bhh bhi bho bhs bhu bi- bia bib bic big bih bii bio bis biu boa bob boc bog boh boi boo bos bou bsa bsb bsc bsg bsh bsi bso bss bsu bua bub buc bug buh bui buo bus buu c-- caa cab cac cag cah cai cao cas cau cba cbb cbc cbg cbh cbi cbo cbs cbu cca ccb ccc ccg cch cci cco ccs ccu cga cgb cgc cgg cgh cgi cgo cgs cgu ch- cha chb chc chg chh chi cho chs chu ci- cia cib cic cig cih cii cio cis ciu co- coa cob coc cog coh coi coo cos cou csa csb csc csg csh csi cso css csu cua cub cuc cug cuh cui cuo cus cuu gaa gab gac gag gah gai gao gas gau gba gbc gbg gbh gbi gbo gbs gbu gca gcb gcc gcg gch gci gco gcs gcu gga ggb ggc ggg ggh ggi ggo ggs ggu gha ghb ghc ghg ghh ghi gho ghs gia gib gic gig gih gii gio gis giu goa gob goc gog goh goi goo gos gou gsa gsb gsc gsg gsi gso gss gsu gu- gua gub guc gug gui guo gus guu h-i haa hab hac hag hah hai hao has hau hba hbb hbc hbg hbh hbi hbo hbs hbu hca hcb hcc hcg hch hci hco hcs hga hgb hgc hgg hgh hgi hgo hgs hgu hha hhb hhc hhg hhh hhi hho hhs hhu hia hib hic hig hih hii hio his hiu hoa hob hoc hog hoh hoi hoo hos hou hsa hsb hsc hsg hsh hsi hss hsu hua hub huc hug huh hui huo hus huu ia- iaa iab iac iag iah iai iao ias iau iba ibb ibc ibg ibh ibi ibo ibs ibu ica icb icc icg ich ici ico ics icu iga igb igc igg igh igi igo igs igu iha ihb ihc ihg ihh ihi iho ihs ihu iia iib iic iih iii iio iis iiu io- ioa iob ioc iog ioh ioi ioo ios iou is- isa isb isc isg ish isi iso iss isu iu- iua iub iuc iug iui ius o-i oaa oab oac oag oah oai oao oas oau ob- oba obb obc obg obh obi obo obs obu oc- oca ocb occ ocg och oci oco ocs ocu oga ogc ogg ogh ogi ogo ogs oha ohc ohg ohh ohi oho ohs ohu oia oib oic oii oio ois oiu oo- ooa oob ooc oog ooh ooi ooo oos os- osa osb osc osg osh osi oso oss osu ou- oua ouc ouh oui ouo ous saa sab sac sag sah sai sao sas sau sba sbb sbc sbg sbh sbi sbo sbs sbu sca scb scc scg sch sci sco scs scu sga sgb sgc sgg sgh sgi sgo sgs sgu sh- sha shb shc shg shh shi sho shs shu sia sib sic sig sih sii sio sis siu soa sob soc sog soh soi soo sos sou ss- ssa ssb ssc ssg ssh ssi sso sss ssu sua sub suc sug suh sui suo sus suu ua- uaa uab uac uag uah uai uao uas uau uba ubb ubc ubg ubh ubi ubo ubs ubu uca ucb ucc ucg uch uci uco ucs ucu uga ugb ugc ugg ugh ugi ugo ugs ugu uha uhb uhc uhh uhi uho uhs uhu uia uib uic uig uii uio uis uiu uoa uob uoc uog uoo uos usa usb usc usg ush usi uso uss usu uua uuc uug uus uuu